So How Do I Divide In Crypto Space?

In cryptography, we typically only deal with unsigned integers and where are number can span to more than 4,096 bits. Our normal maths deals with 64-bits, but with cryptography, we have extremely large values, such as for 2,048 bits we get a maximum value of:

32,317,006,071,311,007,300,714,876,688,669,951,960,444,102,669,715,
484,032,130,345,427,524,655,138,867,890,893,197,201,411,522,913,463…