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30231012612 = 2232519251051
BaseRepresentation
bin11100001001111010…
…001010010100000100
32220000211222120002210
4130021322022110010
5443403114400422
621515443303420
72120103240003
oct341172122404
986024876083
1030231012612
1111903689249
125a3837ab70
132b0a1ba258
14166adc0c3a
15bbe05c10c
hex709e8a504

30231012612 has 12 divisors (see below), whose sum is σ = 70539029456. Its totient is φ = 10077004200.

The previous prime is 30231012593. The next prime is 30231012673. The reversal of 30231012612 is 21621013203.

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

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, 1259625514 + ... + 1259625537.

Almost surely, 230231012612 is an apocalyptic number.

It is an amenable number.

30231012612 is an abundant number, since it is smaller than the sum of its proper divisors (40308016844).

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

30231012612 is a wasteful number, since it uses less digits than its factorization.

30231012612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2519251058 (or 2519251056 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 30231012612 its reverse (21621013203), we get a palindrome (51852025815).

The spelling of 30231012612 in words is "thirty billion, two hundred thirty-one million, twelve thousand, six hundred twelve".

Divisors: 1 2 3 4 6 12 2519251051 5038502102 7557753153 10077004204 15115506306 30231012612