Base | Representation |
---|---|
bin | 11010010000001101010110… |
… | …11010011110111000111000 |
3 | 21120102002011200021012120011 |
4 | 31020012223122132320320 |
5 | 30031333134001143421 |
6 | 322441255504511304 |
7 | 15105652110044650 |
oct | 1510065332367070 |
9 | 246362150235504 |
10 | 57731531271736 |
11 | 17438894388193 |
12 | 658491101b534 |
13 | 262a0a1ba167a |
14 | 10383146b3360 |
15 | 6a1ae26b54e1 |
hex | 3481ab69ee38 |
57731531271736 has 32 divisors (see below), whose sum is σ = 129089138250240. Its totient is φ = 23666342011488.
The previous prime is 57731531271721. The next prime is 57731531271787. The reversal of 57731531271736 is 63717213513775.
57731531271736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22411307436 + ... + 22411310011.
It is an arithmetic number, because the mean of its divisors is an integer number (4034035570320).
Almost surely, 257731531271736 is an apocalyptic number.
57731531271736 is a gapful number since it is divisible by the number (56) formed by its first and last digit.
It is an amenable number.
57731531271736 is an abundant number, since it is smaller than the sum of its proper divisors (71357606978504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57731531271736 is a wasteful number, since it uses less digits than its factorization.
57731531271736 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44822617483 (or 44822617479 counting only the distinct ones).
The product of its digits is 19448100, while the sum is 58.
The spelling of 57731531271736 in words is "fifty-seven trillion, seven hundred thirty-one billion, five hundred thirty-one million, two hundred seventy-one thousand, seven hundred thirty-six".
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