[(2((103))^(-1)(10^((103)-1) -1))]mod 90 = [round (phi number^(12(194)))/root5]mod 90 = 36

Uh oh! Wolfram|Alpha doesn't run without JavaScript.

Please enable JavaScript. If you don't know how, you can find instructionshere.Once you've done that, refresh this page to start using Wolfram|Alpha.