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19057819116 = 2237232411257
BaseRepresentation
bin10001101111111011…
…110011110111101100
31211012011122112001110
4101233323303313230
5303012300202431
612431031112020
71243161534600
oct215773636754
954164575043
1019057819116
11809a707636
12383a512610
131a49432b5b
14ccb109500
157681ab346
hex46fef3dec

19057819116 has 36 divisors (see below), whose sum is σ = 51728367768. Its totient is φ = 5445091008.

The previous prime is 19057819103. The next prime is 19057819127. The reversal of 19057819116 is 61191875091.

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, 16205041 + ... + 16206216.

Almost surely, 219057819116 is an apocalyptic number.

It is an amenable number.

19057819116 is an abundant number, since it is smaller than the sum of its proper divisors (32670548652).

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

19057819116 is a wasteful number, since it uses less digits than its factorization.

19057819116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32411278 (or 32411269 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 48.

The spelling of 19057819116 in words is "nineteen billion, fifty-seven million, eight hundred nineteen thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 588 32411257 64822514 97233771 129645028 194467542 226878799 388935084 453757598 680636397 907515196 1361272794 1588151593 2722545588 3176303186 4764454779 6352606372 9528909558 19057819116