Base | Representation |
---|---|
bin | 10000110101110010… |
… | …011110011010011000 |
3 | 1201200012000200100101 |
4 | 100311302132122120 |
5 | 244013031342100 |
6 | 12150142145144 |
7 | 1210044646363 |
oct | 206562363230 |
9 | 51605020311 |
10 | 18082293400 |
11 | 7739a8a736 |
12 | 36078821b4 |
13 | 19222b47c2 |
14 | c3772d0da |
15 | 70c71186a |
hex | 435c9e698 |
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".
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