Base | Representation |
---|---|
bin | 110101000000011100… |
… | …010101000010010110 |
3 | 12102220120000022100200 |
4 | 311000130111002112 |
5 | 1413030412232440 |
6 | 42051405521330 |
7 | 4053265555260 |
oct | 650034250226 |
9 | 172816008320 |
10 | 56915742870 |
11 | 221574a9028 |
12 | b044b73246 |
13 | 54a078497c |
14 | 2a7cdd6b30 |
15 | 1731ab8c30 |
hex | d40715096 |
56915742870 has 48 divisors (see below), whose sum is σ = 169121066400. Its totient is φ = 13009312512.
The previous prime is 56915742869. The next prime is 56915742887. The reversal of 56915742870 is 7824751965.
56915742870 is a `hidden beast` number, since 5 + 69 + 1 + 574 + 2 + 8 + 7 + 0 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45170595 + ... + 45171854.
It is an arithmetic number, because the mean of its divisors is an integer number (3523355550).
Almost surely, 256915742870 is an apocalyptic number.
56915742870 is an abundant number, since it is smaller than the sum of its proper divisors (112205323530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56915742870 is a wasteful number, since it uses less digits than its factorization.
56915742870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90342469 (or 90342466 counting only the distinct ones).
The product of its (nonzero) digits is 4233600, while the sum is 54.
The spelling of 56915742870 in words is "fifty-six billion, nine hundred fifteen million, seven hundred forty-two thousand, eight hundred seventy".
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