ROSECODE 499

Hyper factorial

Philippe_57721 · Programming · 2018-07-13

We define the hyper factorial function

!^{!}

as:

n!^{!} = 1^{1} \times 2^{2} \times \dots \times n^{n}

What is

200000000!^{!} mod 2147483647

You are given:

60629238 \equiv 1000000!^{!} \mod 2147483647

[My timing : 60 sec]