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30799422528 = 263722916237
BaseRepresentation
bin11100101011110010…
…011110010001000000
32221111110112202220220
4130223302132101000
51001034123010103
622052110303040
72140144525530
oct345362362100
987443482826
1030799422528
1112075520006
125b767b7a80
132b9aba5194
1416c26a34c0
15c03dd9c53
hex72bc9e440

30799422528 has 56 divisors (see below), whose sum is σ = 93131591232. Its totient is φ = 8799834624.

The previous prime is 30799422523. The next prime is 30799422551. The reversal of 30799422528 is 82522499703.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (30799422523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11456775 + ... + 11459462.

Almost surely, 230799422528 is an apocalyptic number.

It is an amenable number.

30799422528 is an abundant number, since it is smaller than the sum of its proper divisors (62332168704).

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

30799422528 is a wasteful number, since it uses less digits than its factorization.

30799422528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22916259 (or 22916249 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 30799422528 in words is "thirty billion, seven hundred ninety-nine million, four hundred twenty-two thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 168 192 224 336 448 672 1344 22916237 45832474 68748711 91664948 137497422 160413659 183329896 274994844 320827318 366659792 481240977 549989688 641654636 733319584 962481954 1099979376 1283309272 1466639168 1924963908 2199958752 2566618544 3849927816 4399917504 5133237088 7699855632 10266474176 15399711264 30799422528