# README
Champernowne's constant
An irrational decimal fraction is created by concatenating the positive integers:
0.123456789101112131415161718192021...
It can be seen that the $12^{th}$ digit of the fractional part is 1.
If $d_n$ represents the $n^{th}$ digit of the fractional part, find the value of the following expression.
$$ d_1 × d_{10} × d_{100} × d_{1000} × d_{10000} × d_{100000} × d_{1000000} $$