7500000000

Appears in sequences

• a(n) = least k>0 such that n^n divides Fibonacci(k).at n=9A215453
• Digits of n' end in n, where n' is the arithmetic derivative of n.at n=13A249540
• Lexicographically earliest permutation of the positive integers such that the successive cumulative products reproduce the sequence itself, digit by digit.at n=20A364697