Base | Representation |
---|---|
bin | 110101100100101100… |
… | …010111100101100101 |
3 | 12111110221102021200112 |
4 | 311210230113211211 |
5 | 1420302111134042 |
6 | 42232013222405 |
7 | 4104332213066 |
oct | 654454274545 |
9 | 174427367615 |
10 | 57523927397 |
11 | 22439837072 |
12 | b194791a05 |
13 | 5569787981 |
14 | 2ad9ab056d |
15 | 176a1a1982 |
hex | d64b17965 |
57523927397 has 2 divisors, whose sum is σ = 57523927398. Its totient is φ = 57523927396.
The previous prime is 57523927381. The next prime is 57523927399. The reversal of 57523927397 is 79372932575.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 57508356481 + 15570916 = 239809^2 + 3946^2 .
It is a cyclic number.
It is not a de Polignac number, because 57523927397 - 24 = 57523927381 is a prime.
Together with 57523927399, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (57523927399) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28761963698 + 28761963699.
It is an arithmetic number, because the mean of its divisors is an integer number (28761963699).
Almost surely, 257523927397 is an apocalyptic number.
It is an amenable number.
57523927397 is a deficient number, since it is larger than the sum of its proper divisors (1).
57523927397 is an equidigital number, since it uses as much as digits as its factorization.
57523927397 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 25004700, while the sum is 59.
The spelling of 57523927397 in words is "fifty-seven billion, five hundred twenty-three million, nine hundred twenty-seven thousand, three hundred ninety-seven".
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