Base | Representation |
---|---|
bin | 110101001101101011… |
… | …100100101001011100 |
3 | 12110111000221011011021 |
4 | 311031223210221130 |
5 | 1414004241432110 |
6 | 42125422133524 |
7 | 4061633436004 |
oct | 651553445134 |
9 | 173430834137 |
10 | 57137842780 |
11 | 22260905a77 |
12 | b0a74212a4 |
13 | 55077a9135 |
14 | 2aa06cd004 |
15 | 174633b2da |
hex | d4dae4a5c |
57137842780 has 12 divisors (see below), whose sum is σ = 119989469880. Its totient is φ = 22855137104.
The previous prime is 57137842753. The next prime is 57137842781. The reversal of 57137842780 is 8724873175.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57137842781) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1428446050 + ... + 1428446089.
It is an arithmetic number, because the mean of its divisors is an integer number (9999122490).
Almost surely, 257137842780 is an apocalyptic number.
It is an amenable number.
57137842780 is an abundant number, since it is smaller than the sum of its proper divisors (62851627100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57137842780 is a wasteful number, since it uses less digits than its factorization.
57137842780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2856892148 (or 2856892146 counting only the distinct ones).
The product of its (nonzero) digits is 2634240, while the sum is 52.
The spelling of 57137842780 in words is "fifty-seven billion, one hundred thirty-seven million, eight hundred forty-two thousand, seven hundred eighty".
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