Base | Representation |
---|---|
bin | 110101010011111111… |
… | …100101100011101000 |
3 | 12110202102012221020011 |
4 | 311103333211203220 |
5 | 1414213400041210 |
6 | 42144124141304 |
7 | 4064360604142 |
oct | 652377454350 |
9 | 173672187204 |
10 | 57243752680 |
11 | 22305673714 |
12 | b116997834 |
13 | 552370b90a |
14 | 2ab07bbc92 |
15 | 17507abd8a |
hex | d53fe58e8 |
57243752680 has 32 divisors (see below), whose sum is σ = 129062960640. Its totient is φ = 22850475840.
The previous prime is 57243752663. The next prime is 57243752717. The reversal of 57243752680 is 8625734275.
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, 1449816 + ... + 1488775.
It is an arithmetic number, because the mean of its divisors is an integer number (4033217520).
Almost surely, 257243752680 is an apocalyptic number.
It is an amenable number.
57243752680 is an abundant number, since it is smaller than the sum of its proper divisors (71819207960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57243752680 is a wasteful number, since it uses less digits than its factorization.
57243752680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2939089 (or 2939085 counting only the distinct ones).
The product of its (nonzero) digits is 2822400, while the sum is 49.
The spelling of 57243752680 in words is "fifty-seven billion, two hundred forty-three million, seven hundred fifty-two thousand, six hundred eighty".
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