Base | Representation |
---|---|
bin | 110101111000101000… |
… | …000011110011000001 |
3 | 12112100020200022101120 |
4 | 311320220003303001 |
5 | 1421443213421311 |
6 | 42325121022453 |
7 | 4115532536031 |
oct | 657050036301 |
9 | 175306608346 |
10 | 57858342081 |
11 | 225a0586841 |
12 | b268784a29 |
13 | 55c0b44c97 |
14 | 2b2c2818c1 |
15 | 178970c706 |
hex | d78a03cc1 |
57858342081 has 16 divisors (see below), whose sum is σ = 81212673600. Its totient is φ = 36538518528.
The previous prime is 57858342053. The next prime is 57858342187. The reversal of 57858342081 is 18024385875.
It is not a de Polignac number, because 57858342081 - 25 = 57858342049 is a prime.
It is a super-2 number, since 2×578583420812 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (57858342781) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 611185 + ... + 699473.
It is an arithmetic number, because the mean of its divisors is an integer number (5075792100).
Almost surely, 257858342081 is an apocalyptic number.
It is an amenable number.
57858342081 is a deficient number, since it is larger than the sum of its proper divisors (23354331519).
57858342081 is a wasteful number, since it uses less digits than its factorization.
57858342081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99808.
The product of its (nonzero) digits is 2150400, while the sum is 51.
The spelling of 57858342081 in words is "fifty-seven billion, eight hundred fifty-eight million, three hundred forty-two thousand, eighty-one".
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