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18082293400 = 2352109829463
BaseRepresentation
bin10000110101110010…
…011110011010011000
31201200012000200100101
4100311302132122120
5244013031342100
612150142145144
71210044646363
oct206562363230
951605020311
1018082293400
117739a8a736
1236078821b4
1319222b47c2
14c3772d0da
1570c71186a
hex435c9e698

18082293400 has 48 divisors (see below), whose sum is σ = 42427083600. Its totient is φ = 7166551680.

The previous prime is 18082293373. The next prime is 18082293413. The reversal of 18082293400 is 439228081.

It is a self number, because there is not a number n which added to its sum of digits gives 18082293400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 392932 + ... + 436531.

It is an arithmetic number, because the mean of its divisors is an integer number (883897575).

Almost surely, 218082293400 is an apocalyptic number.

18082293400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18082293400 is an abundant number, since it is smaller than the sum of its proper divisors (24344790200).

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

18082293400 is a wasteful number, since it uses less digits than its factorization.

18082293400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829588 (or 829579 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 18082293400 in words is "eighteen billion, eighty-two million, two hundred ninety-three thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 109 200 218 436 545 872 1090 2180 2725 4360 5450 10900 21800 829463 1658926 3317852 4147315 6635704 8294630 16589260 20736575 33178520 41473150 82946300 90411467 165892600 180822934 361645868 452057335 723291736 904114670 1808229340 2260286675 3616458680 4520573350 9041146700 18082293400