Developer`

$MaxMachineInteger

gives the maximum integer that is represented internally as a single atomic data element on your computer system.

更多信息和选项

To use $MaxMachineInteger, you first need to load the Developer Utilities Package using Needs["Developer`"].
$MaxMachineInteger is typically on a computer system that is referred to as an n‐bit system.
Arithmetic operations involving integers smaller than $MaxMachineInteger are typically faster than those involving larger integers.

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