Nope, no mapping necessary. 36 octets, so a single 288 bit number in base 2. (Big-endian, unsigned, I guess)
Then convert to any base you want.
(I should have probably used 32 octets so that it fits neatly in 256 bits)
(I should have probably used 32 octets so that it fits neatly in 256 bits)
The "mapping" you may be referring to is happening outside and subject to how your brain /your browser interpret it. (How do you know that when I posted the comment, that I didn't supply the raw bits of the number?! ;-))
Anyway, it was just a joke for low level-programmers I guess. Have a good day ;-)