exbi (Ei)

The prefix exbi (Ei) is a prefix standardized by the International Electrotechnical Commission( IEC 60027-2), based on the exponentiation of the dual system.

The exbibinary, exbi, corresponds to a value of '2^60'. This is a 19- digit number.

Numbers of this magnitude are allocated in the file allocation tables( FAT) in the Extended Fiel Allocation Table( exFAT) or FAT64 version. A file system with 64 bytes thus corresponds to 16 exbi. This number results from `2^60` multiplied by `2^4`.