[kuratkull]

Example with smaller numbers:

2^10 / 2 = 512

512 is 2^9

So when dividing powers like this you decrement the exponent.

So no it's not 2^64 but more like 2^127

Dividing a loooong number with a small number has virtually no impact on the number.

[OutOfHere]

My apologies for my flagrant error. Thank you for the correction and clarity.