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30331032132 = 2232527586011
BaseRepresentation
bin11100001111110111…
…101101001001000100
32220021211012002002110
4130033313231021010
5444104221012012
621533415141020
72122426343052
oct341767551104
986254162073
1030331032132
1111955093405
125a65974770
132b24b398bb
14167a3b91d2
15bc7c1773c
hex70fded244

30331032132 has 12 divisors (see below), whose sum is σ = 70772408336. Its totient is φ = 10110344040.

The previous prime is 30331032119. The next prime is 30331032157. The reversal of 30331032132 is 23123013303.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 30331032099 and 30331032108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1263792994 + ... + 1263793017.

Almost surely, 230331032132 is an apocalyptic number.

It is an amenable number.

30331032132 is an abundant number, since it is smaller than the sum of its proper divisors (40441376204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30331032132 is a wasteful number, since it uses less digits than its factorization.

30331032132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527586018 (or 2527586016 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 30331032132 its reverse (23123013303), we get a palindrome (53454045435).

The spelling of 30331032132 in words is "thirty billion, three hundred thirty-one million, thirty-two thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 2527586011 5055172022 7582758033 10110344044 15165516066 30331032132