Base | Representation |
---|---|
bin | 1000011010100100010110… |
… | …10010100110011010011100 |
3 | 2102112001210011121210122210 |
4 | 10031102023102212122130 |
5 | 4411141323320120444 |
6 | 103205034432240420 |
7 | 3616642352610522 |
oct | 415221322463234 |
9 | 72461704553583 |
10 | 18505056020124 |
11 | 5994a4a774483 |
12 | 20aa4a19a0110 |
13 | a4303351161b |
14 | 47d9142b6312 |
15 | 22155b80b7b9 |
hex | 10d48b4a669c |
18505056020124 has 48 divisors (see below), whose sum is σ = 43827821856000. Its totient is φ = 6075607207296.
The previous prime is 18505056020069. The next prime is 18505056020153. The reversal of 18505056020124 is 42102065050581.
It is a congruent number.
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, 5927977 + ... + 8494175.
It is an arithmetic number, because the mean of its divisors is an integer number (913079622000).
Almost surely, 218505056020124 is an apocalyptic number.
It is an amenable number.
18505056020124 is an abundant number, since it is smaller than the sum of its proper divisors (25322765835876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18505056020124 is a wasteful number, since it uses less digits than its factorization.
18505056020124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2575242 (or 2575240 counting only the distinct ones).
The product of its (nonzero) digits is 96000, while the sum is 39.
The spelling of 18505056020124 in words is "eighteen trillion, five hundred five billion, fifty-six million, twenty thousand, one hundred twenty-four".
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