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30431003112 = 23323739113039
BaseRepresentation
bin11100010101110101…
…000100000111101000
32220112210022010111100
4130111311010013220
5444310314044422
621551350001400
72125052154456
oct342565040750
986483263440
1030431003112
11119a6565054
125a93346260
132b3c770123
14168979d9d6
15bd18b37ac
hex715d441e8

30431003112 has 48 divisors (see below), whose sum is σ = 82440072000. Its totient is φ = 10140865056.

The previous prime is 30431003107. The next prime is 30431003129. The reversal of 30431003112 is 21130013403.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212689 + ... + 325727.

It is an arithmetic number, because the mean of its divisors is an integer number (1717501500).

Almost surely, 230431003112 is an apocalyptic number.

It is an amenable number.

30431003112 is an abundant number, since it is smaller than the sum of its proper divisors (52009068888).

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

30431003112 is a wasteful number, since it uses less digits than its factorization.

30431003112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116790 (or 116783 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30431003112 its reverse (21130013403), we get a palindrome (51561016515).

The spelling of 30431003112 in words is "thirty billion, four hundred thirty-one million, three thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 3739 7478 11217 14956 22434 29912 33651 44868 67302 89736 113039 134604 226078 269208 339117 452156 678234 904312 1017351 1356468 2034702 2712936 4069404 8138808 422652821 845305642 1267958463 1690611284 2535916926 3381222568 3803875389 5071833852 7607750778 10143667704 15215501556 30431003112