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30407676488 = 237542994223
BaseRepresentation
bin11100010100011100…
…000101001001001000
32220111011102000101022
4130110130011021020
5444233331121423
621545154012012
72124346662020
oct342434051110
986434360338
1030407676488
1111994382452
125a87577008
132b379937a7
14168664aa80
15bce806dc8
hex714705248

30407676488 has 16 divisors (see below), whose sum is σ = 65159306880. Its totient is φ = 13031861328.

The previous prime is 30407676469. The next prime is 30407676499. The reversal of 30407676488 is 88467670403.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271497056 + ... + 271497167.

It is an arithmetic number, because the mean of its divisors is an integer number (4072456680).

Almost surely, 230407676488 is an apocalyptic number.

It is an amenable number.

30407676488 is an abundant number, since it is smaller than the sum of its proper divisors (34751630392).

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

30407676488 is a wasteful number, since it uses less digits than its factorization.

30407676488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542994236 (or 542994232 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 53.

The spelling of 30407676488 in words is "thirty billion, four hundred seven million, six hundred seventy-six thousand, four hundred eighty-eight".

Divisors: 1 2 4 7 8 14 28 56 542994223 1085988446 2171976892 3800959561 4343953784 7601919122 15203838244 30407676488