Category "unsigned-integer"

Which C/C++ data type should I use for PHI(N) calculator?

I found a source code online for calculating PHI. I made some small adjustments to the variable types, such as using an unsigned long int, however I am limited

Converting unsigned to signed integers (Using Excel formulas or Power Query)

I have a list of unsigned 32-bit unsigned integers that actually are supposed to represent 32-bit signed integers. For example 62714 = binary 1111010011111010 =