In computer science, a long integer is a data type that can represent a whole number which may have a larger range, while taking more storage, compared with a standard integer on the same machine. In C, it is denoted by long. It is often a 32-bit integer, although it could be larger, for example, 64 bits. A conforming program can assume that it can safely store values between −(2-1) and 2-1, but it may assume that the range is larger. In Java and C#, a long is always a 64-bit integer.

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  • In computer science, a long integer is a data type that can represent a whole number which may have a larger range, while taking more storage, compared with a standard integer on the same machine. In C, it is denoted by long. It is often a 32-bit integer, although it could be larger, for example, 64 bits. A conforming program can assume that it can safely store values between −(2-1) and 2-1, but it may assume that the range is larger. In Java and C#, a long is always a 64-bit integer. In C99 a long long type was introduced that is required to be at least 64 bits. A variable defined as a long integer in one programming language may be different in size to a similarly defined variable in another. In some languages this size is fixed across platforms, whilst in others it is machine dependent. In some languages this data type does not exist at all.
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  • In computer science, a long integer is a data type that can represent a whole number which may have a larger range, while taking more storage, compared with a standard integer on the same machine. In C, it is denoted by long. It is often a 32-bit integer, although it could be larger, for example, 64 bits. A conforming program can assume that it can safely store values between −(2-1) and 2-1, but it may assume that the range is larger. In Java and C#, a long is always a 64-bit integer.
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  • Long integer
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