Base | Representation |
---|---|
bin | 110101010011110001… |
… | …000011100101000111 |
3 | 12110202011001102000020 |
4 | 311103301003211013 |
5 | 1414211411142440 |
6 | 42143510350223 |
7 | 4064313330510 |
oct | 652361034507 |
9 | 173664042006 |
10 | 57239943495 |
11 | 22303501829 |
12 | b11565b373 |
13 | 55229a6b67 |
14 | 2ab00a9a07 |
15 | 17502a83d0 |
hex | d53c43947 |
57239943495 has 128 divisors (see below), whose sum is σ = 115545139200. Its totient is φ = 23605198848.
The previous prime is 57239943491. The next prime is 57239943539. The reversal of 57239943495 is 59434993275.
57239943495 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 57239943495 - 22 = 57239943491 is a prime.
It is a super-2 number, since 2×572399434952 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57239943491) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4216639 + ... + 4230191.
It is an arithmetic number, because the mean of its divisors is an integer number (902696400).
Almost surely, 257239943495 is an apocalyptic number.
57239943495 is an abundant number, since it is smaller than the sum of its proper divisors (58305195705).
57239943495 is a wasteful number, since it uses less digits than its factorization.
57239943495 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13689.
The product of its digits is 36741600, while the sum is 60.
The spelling of 57239943495 in words is "fifty-seven billion, two hundred thirty-nine million, nine hundred forty-three thousand, four hundred ninety-five".
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