Base | Representation |
---|---|
bin | 1000001101100010001001… |
… | …01100010000011100111000 |
3 | 2100221020202222000220112000 |
4 | 10012301010230100130320 |
5 | 4331322113402333132 |
6 | 102223205535421000 |
7 | 3542406060502164 |
oct | 406610454203470 |
9 | 70836688026460 |
10 | 18057194964792 |
11 | 58320168978a5 |
12 | 2037732084760 |
13 | a0ca2b3087c9 |
14 | 465d898c9ca4 |
15 | 214a9822987c |
hex | 106c44b10738 |
18057194964792 has 64 divisors (see below), whose sum is σ = 50160614688000. Its totient is φ = 6018856214112.
The previous prime is 18057194964769. The next prime is 18057194964871. The reversal of 18057194964792 is 29746949175081.
18057194964792 is a `hidden beast` number, since 1 + 8 + 0 + 5 + 7 + 1 + 9 + 496 + 47 + 92 = 666.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a self number, because there is not a number n which added to its sum of digits gives 18057194964792.
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 15 ways as a sum of consecutive naturals, for example, 4855309 + ... + 7725827.
It is an arithmetic number, because the mean of its divisors is an integer number (783759604500).
Almost surely, 218057194964792 is an apocalyptic number.
18057194964792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
18057194964792 is an abundant number, since it is smaller than the sum of its proper divisors (32103419723208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18057194964792 is a wasteful number, since it uses less digits than its factorization.
18057194964792 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2899657 (or 2899647 counting only the distinct ones).
The product of its (nonzero) digits is 274337280, while the sum is 72.
The spelling of 18057194964792 in words is "eighteen trillion, fifty-seven billion, one hundred ninety-four million, nine hundred sixty-four thousand, seven hundred ninety-two".
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