Base | Representation |
---|---|
bin | 110101001100110010… |
… | …001110100100001011 |
3 | 12110102222122102020012 |
4 | 311030302032210023 |
5 | 1413441414410443 |
6 | 42124124022135 |
7 | 4061361606011 |
oct | 651462164413 |
9 | 173388572205 |
10 | 57122810123 |
11 | 22253378795 |
12 | b0a239194b |
13 | 5504644982 |
14 | 2a9c6d88b1 |
15 | 1744d6c118 |
hex | d4cc8e90b |
57122810123 has 2 divisors, whose sum is σ = 57122810124. Its totient is φ = 57122810122.
The previous prime is 57122810081. The next prime is 57122810153. The reversal of 57122810123 is 32101822175.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 57122810123 - 216 = 57122744587 is a prime.
It is a super-2 number, since 2×571228101232 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 57122810123.
It is not a weakly prime, because it can be changed into another prime (57122810153) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28561405061 + 28561405062.
It is an arithmetic number, because the mean of its divisors is an integer number (28561405062).
Almost surely, 257122810123 is an apocalyptic number.
57122810123 is a deficient number, since it is larger than the sum of its proper divisors (1).
57122810123 is an equidigital number, since it uses as much as digits as its factorization.
57122810123 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6720, while the sum is 32.
The spelling of 57122810123 in words is "fifty-seven billion, one hundred twenty-two million, eight hundred ten thousand, one hundred twenty-three".
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