Base | Representation |
---|---|
bin | 110101111101111101… |
… | …101011010000000110 |
3 | 12112120111012001121120 |
4 | 311331331223100012 |
5 | 1422134130113130 |
6 | 42342040254410 |
7 | 4121000656452 |
oct | 657575532006 |
9 | 175514161546 |
10 | 57947894790 |
11 | 22637092045 |
12 | b292771406 |
13 | 560656b456 |
14 | 2b3a113662 |
15 | 17924eb910 |
hex | d7df6b406 |
57947894790 has 16 divisors (see below), whose sum is σ = 139074947568. Its totient is φ = 15452771936.
The previous prime is 57947894789. The next prime is 57947894813. The reversal of 57947894790 is 9749874975.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 965798217 + ... + 965798276.
It is an arithmetic number, because the mean of its divisors is an integer number (8692184223).
Almost surely, 257947894790 is an apocalyptic number.
57947894790 is an abundant number, since it is smaller than the sum of its proper divisors (81127052778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57947894790 is a wasteful number, since it uses less digits than its factorization.
57947894790 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1931596503.
The product of its (nonzero) digits is 160030080, while the sum is 69.
The spelling of 57947894790 in words is "fifty-seven billion, nine hundred forty-seven million, eight hundred ninety-four thousand, seven hundred ninety".
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