Base | Representation |
---|---|
bin | 110101111011011100… |
… | …101010001010001000 |
3 | 12112110112202120211202 |
4 | 311323130222022020 |
5 | 1422042323411003 |
6 | 42333531443332 |
7 | 4116646126304 |
oct | 657334521210 |
9 | 175415676752 |
10 | 57905685128 |
11 | 22615282325 |
12 | b2805b6548 |
13 | 55ca8acc15 |
14 | 2b34686d04 |
15 | 178d960088 |
hex | d7b72a288 |
57905685128 has 32 divisors (see below), whose sum is σ = 108788486400. Its totient is φ = 28895486592.
The previous prime is 57905685037. The next prime is 57905685143. The reversal of 57905685128 is 82158650975.
57905685128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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, 9968801 + ... + 9974607.
It is an arithmetic number, because the mean of its divisors is an integer number (3399640200).
Almost surely, 257905685128 is an apocalyptic number.
It is an amenable number.
57905685128 is a deficient number, since it is larger than the sum of its proper divisors (50882801272).
57905685128 is a wasteful number, since it uses less digits than its factorization.
57905685128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8069 (or 8065 counting only the distinct ones).
The product of its (nonzero) digits is 6048000, while the sum is 56.
The spelling of 57905685128 in words is "fifty-seven billion, nine hundred five million, six hundred eighty-five thousand, one hundred twenty-eight".
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