Base | Representation |
---|---|
bin | 1000010111001011011000… |
… | …10111010100000100100000 |
3 | 2102002221010021100120022211 |
4 | 10023211230113110010200 |
5 | 4402234244144420044 |
6 | 103035332134011504 |
7 | 3605346660633160 |
oct | 413455427240440 |
9 | 72087107316284 |
10 | 18388573045024 |
11 | 594a606105206 |
12 | 208b9b3aa6b94 |
13 | a3505bb74aa0 |
14 | 4780240c05a0 |
15 | 21d4e04c7634 |
hex | 10b96c5d4120 |
18388573045024 has 96 divisors (see below), whose sum is σ = 44681043536640. Its totient is φ = 7254336402432.
The previous prime is 18388573045019. The next prime is 18388573045091. The reversal of 18388573045024 is 42054037588381.
It is a self number, because there is not a number n which added to its sum of digits gives 18388573045024.
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, 7749519 + ... + 9840334.
It is an arithmetic number, because the mean of its divisors is an integer number (465427536840).
Almost surely, 218388573045024 is an apocalyptic number.
18388573045024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
18388573045024 is an abundant number, since it is smaller than the sum of its proper divisors (26292470491616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18388573045024 is a wasteful number, since it uses less digits than its factorization.
18388573045024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17590242 (or 17590234 counting only the distinct ones).
The product of its (nonzero) digits is 25804800, while the sum is 58.
The spelling of 18388573045024 in words is "eighteen trillion, three hundred eighty-eight billion, five hundred seventy-three million, forty-five thousand, twenty-four".
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