Base | Representation |
---|---|
bin | 110101001000101011… |
… | …001110101101111111 |
3 | 12110021011220201212201 |
4 | 311020223032231333 |
5 | 1413321242220004 |
6 | 42113222212331 |
7 | 4056563603212 |
oct | 651053165577 |
9 | 173234821781 |
10 | 57053866879 |
11 | 222184696a9 |
12 | b0832840a7 |
13 | 54c3286159 |
14 | 2a934ad779 |
15 | 173dc9e6a4 |
hex | d48aceb7f |
57053866879 has 2 divisors, whose sum is σ = 57053866880. Its totient is φ = 57053866878.
The previous prime is 57053866813. The next prime is 57053866897. The reversal of 57053866879 is 97866835075.
Together with next prime (57053866897) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 57053866879 - 227 = 56919649151 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 57053866879.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (57053869879) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28526933439 + 28526933440.
It is an arithmetic number, because the mean of its divisors is an integer number (28526933440).
Almost surely, 257053866879 is an apocalyptic number.
57053866879 is a deficient number, since it is larger than the sum of its proper divisors (1).
57053866879 is an equidigital number, since it uses as much as digits as its factorization.
57053866879 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 76204800, while the sum is 64.
The spelling of 57053866879 in words is "fifty-seven billion, fifty-three million, eight hundred sixty-six thousand, eight hundred seventy-nine".
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