Base | Representation |
---|---|
bin | 110101001111011111… |
… | …100011011011100001 |
3 | 12110120011010211012212 |
4 | 311033133203123201 |
5 | 1414040032341442 |
6 | 42132425531505 |
7 | 4062453035405 |
oct | 651737433341 |
9 | 173504124185 |
10 | 57168246497 |
11 | 22276a9180a |
12 | b0b5643b95 |
13 | 5510b92abb |
14 | 2aa4765105 |
15 | 1748d44a82 |
hex | d4f7e36e1 |
57168246497 has 2 divisors, whose sum is σ = 57168246498. Its totient is φ = 57168246496.
The previous prime is 57168246461. The next prime is 57168246503. The reversal of 57168246497 is 79464286175.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 55179889216 + 1988357281 = 234904^2 + 44591^2 .
It is a cyclic number.
It is not a de Polignac number, because 57168246497 - 216 = 57168180961 is a prime.
It is not a weakly prime, because it can be changed into another prime (57168246407) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28584123248 + 28584123249.
It is an arithmetic number, because the mean of its divisors is an integer number (28584123249).
Almost surely, 257168246497 is an apocalyptic number.
It is an amenable number.
57168246497 is a deficient number, since it is larger than the sum of its proper divisors (1).
57168246497 is an equidigital number, since it uses as much as digits as its factorization.
57168246497 is an evil number, because the sum of its binary digits is even.
The product of its digits is 20321280, while the sum is 59.
The spelling of 57168246497 in words is "fifty-seven billion, one hundred sixty-eight million, two hundred forty-six thousand, four hundred ninety-seven".
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