Base | Representation |
---|---|
bin | 110101010011111011… |
… | …100000110000010111 |
3 | 12110202100012122212200 |
4 | 311103323200300113 |
5 | 1414213111400224 |
6 | 42144045215543 |
7 | 4064345534553 |
oct | 652373406027 |
9 | 173670178780 |
10 | 57242684439 |
11 | 22305004076 |
12 | b1165615b3 |
13 | 5523426615 |
14 | 2ab05c0863 |
15 | 175064a5c9 |
hex | d53ee0c17 |
57242684439 has 12 divisors (see below), whose sum is σ = 82909178976. Its totient is φ = 38057804352.
The previous prime is 57242684383. The next prime is 57242684449. The reversal of 57242684439 is 93448624275.
It is a happy number.
57242684439 is a `hidden beast` number, since 572 + 4 + 2 + 68 + 4 + 4 + 3 + 9 = 666.
It is not a de Polignac number, because 57242684439 - 28 = 57242684183 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57242684449) 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 11 ways as a sum of consecutive naturals, for example, 8661954 + ... + 8668559.
It is an arithmetic number, because the mean of its divisors is an integer number (6909098248).
Almost surely, 257242684439 is an apocalyptic number.
57242684439 is a deficient number, since it is larger than the sum of its proper divisors (25666494537).
57242684439 is a wasteful number, since it uses less digits than its factorization.
57242684439 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17330886 (or 17330883 counting only the distinct ones).
The product of its digits is 11612160, while the sum is 54.
The spelling of 57242684439 in words is "fifty-seven billion, two hundred forty-two million, six hundred eighty-four thousand, four hundred thirty-nine".
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