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50031020415 = 353343997727
BaseRepresentation
bin101110100110000101…
…001100100101111111
311210010202012011122010
4232212011030211333
51304430420123130
634552310222303
73420546441165
oct564605144577
9153122164563
1050031020415
111a244230162
129843354993
1349443112bc
1425c88c7235
15147c4710b0
hexba614c97f

50031020415 has 16 divisors (see below), whose sum is σ = 80073658368. Its totient is φ = 26675202336.

The previous prime is 50031020341. The next prime is 50031020441. The reversal of 50031020415 is 51402013005.

It is not a de Polignac number, because 50031020415 - 29 = 50031019903 is a prime.

It is a super-2 number, since 2×500310204152 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50031020391 and 50031020400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448719 + ... + 549008.

It is an arithmetic number, because the mean of its divisors is an integer number (5004603648).

Almost surely, 250031020415 is an apocalyptic number.

50031020415 is a deficient number, since it is larger than the sum of its proper divisors (30042637953).

50031020415 is a wasteful number, since it uses less digits than its factorization.

50031020415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001078.

The product of its (nonzero) digits is 600, while the sum is 21.

The spelling of 50031020415 in words is "fifty billion, thirty-one million, twenty thousand, four hundred fifteen".

Divisors: 1 3 5 15 3343 10029 16715 50145 997727 2993181 4988635 14965905 3335401361 10006204083 16677006805 50031020415