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30995080156 = 2274571039127
BaseRepresentation
bin11100110111011100…
…110110001111011100
32222000002201012201201
4130313130312033130
51001434220031111
622123340045244
72145041556115
oct346734661734
988002635651
1030995080156
1112165a07527
126010233824
132bcc59bb21
14170067520c
15c161876c1
hex7377363dc

30995080156 has 12 divisors (see below), whose sum is σ = 54248716368. Its totient is φ = 15495446912.

The previous prime is 30995080139. The next prime is 30995080169. The reversal of 30995080156 is 65108059903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489736 + ... + 549391.

It is an arithmetic number, because the mean of its divisors is an integer number (4520726364).

Almost surely, 230995080156 is an apocalyptic number.

It is an amenable number.

30995080156 is a deficient number, since it is larger than the sum of its proper divisors (23253636212).

30995080156 is a wasteful number, since it uses less digits than its factorization.

30995080156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046588 (or 1046586 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 46.

The spelling of 30995080156 in words is "thirty billion, nine hundred ninety-five million, eighty thousand, one hundred fifty-six".

Divisors: 1 2 4 7457 14914 29828 1039127 2078254 4156508 7748770039 15497540078 30995080156