Base | Representation |
---|---|
bin | 10001100011000100… |
… | …100001110010100000 |
3 | 1210122010112210122000 |
4 | 101203010201302200 |
5 | 302042023004134 |
6 | 12353401244000 |
7 | 1234631235123 |
oct | 214304416240 |
9 | 53563483560 |
10 | 18842000544 |
11 | 7a998aa984 |
12 | 379a193600 |
13 | 1a137ca763 |
14 | caa5aa3ba |
15 | 754279e99 |
hex | 463121ca0 |
18842000544 has 96 divisors (see below), whose sum is σ = 55651680000. Its totient is φ = 6201142272.
The previous prime is 18842000501. The next prime is 18842000557. The reversal of 18842000544 is 44500024881.
18842000544 is a `hidden beast` number, since 18 + 84 + 20 + 0 + 0 + 544 = 666.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 18842000499 and 18842000508.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69769 + ... + 206280.
It is an arithmetic number, because the mean of its divisors is an integer number (579705000).
Almost surely, 218842000544 is an apocalyptic number.
It is an amenable number.
18842000544 is an abundant number, since it is smaller than the sum of its proper divisors (36809679456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18842000544 is a wasteful number, since it uses less digits than its factorization.
18842000544 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 276147 (or 276133 counting only the distinct ones).
The product of its (nonzero) digits is 40960, while the sum is 36.
The spelling of 18842000544 in words is "eighteen billion, eight hundred forty-two million, five hundred forty-four", and thus it is an aban number.
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