If I have done the math right to come up with this hash, to confirm a true block and this is a confirmed hash. You can look it up here Bitcoin Block #570240
That should be 64 digits. If I try it on my phone calculator, is it y to the x power the right button to push? That gives a result of 26 lowercase letters + numbers 10 to equal 36. Would I push in 36 y to the 64 power? That gives a result of 4.01199191 to 99 digits long almost 100.
Is that math right for how many combinations there are?