Base | Representation |
---|---|
bin | 110101010110100000… |
… | …110100101111010111 |
3 | 12110212100202100011111 |
4 | 311112200310233113 |
5 | 1414310210120210 |
6 | 42152234115451 |
7 | 4065413064505 |
oct | 652640645727 |
9 | 173770670144 |
10 | 57286020055 |
11 | 22327512830 |
12 | b128b7bb87 |
13 | 552c3ba4b4 |
14 | 2ab6261675 |
15 | 175435a88a |
hex | d56834bd7 |
57286020055 has 16 divisors (see below), whose sum is σ = 75693481344. Its totient is φ = 41273186080.
The previous prime is 57286020023. The next prime is 57286020089. The reversal of 57286020055 is 55002068275.
It is not a de Polignac number, because 57286020055 - 25 = 57286020023 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4861237 + ... + 4873006.
It is an arithmetic number, because the mean of its divisors is an integer number (4730842584).
Almost surely, 257286020055 is an apocalyptic number.
57286020055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
57286020055 is a deficient number, since it is larger than the sum of its proper divisors (18407461289).
57286020055 is a wasteful number, since it uses less digits than its factorization.
57286020055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9734366.
The product of its (nonzero) digits is 168000, while the sum is 40.
The spelling of 57286020055 in words is "fifty-seven billion, two hundred eighty-six million, twenty thousand, fifty-five".
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