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18592257020 = 225929612851
BaseRepresentation
bin10001010100001011…
…110101001111111100
31202222201121111220212
4101110023311033330
5301034104211040
612312520331552
71225506401651
oct212413651774
952881544825
1018592257020
117980931977
12372a613bb8
1319a3b47a1c
14c85359c28
1573c396d65
hex4542f53fc

18592257020 has 12 divisors (see below), whose sum is σ = 39043739784. Its totient is φ = 7436902800.

The previous prime is 18592257011. The next prime is 18592257031. The reversal of 18592257020 is 2075229581.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464806406 + ... + 464806445.

It is an arithmetic number, because the mean of its divisors is an integer number (3253644982).

Almost surely, 218592257020 is an apocalyptic number.

18592257020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18592257020 is an abundant number, since it is smaller than the sum of its proper divisors (20451482764).

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

18592257020 is a wasteful number, since it uses less digits than its factorization.

18592257020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929612860 (or 929612858 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 18592257020 in words is "eighteen billion, five hundred ninety-two million, two hundred fifty-seven thousand, twenty".

Divisors: 1 2 4 5 10 20 929612851 1859225702 3718451404 4648064255 9296128510 18592257020