Base | Representation |
---|---|
bin | 100001110111111… |
… | …100010010100001 |
3 | 1110121101021212101 |
4 | 201313330102201 |
5 | 2130442003433 |
6 | 132220530401 |
7 | 20040403123 |
oct | 4167742241 |
9 | 1417337771 |
10 | 568312993 |
11 | 271885a66 |
12 | 13a3b0a01 |
13 | 90982aa1 |
14 | 55699213 |
15 | 34d5e07d |
hex | 21dfc4a1 |
568312993 has 2 divisors, whose sum is σ = 568312994. Its totient is φ = 568312992.
The previous prime is 568312991. The next prime is 568312999. The reversal of 568312993 is 399213865.
It is a happy number.
568312993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 544615569 + 23697424 = 23337^2 + 4868^2 .
It is a cyclic number.
It is not a de Polignac number, because 568312993 - 21 = 568312991 is a prime.
Together with 568312991, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (568312991) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284156496 + 284156497.
It is an arithmetic number, because the mean of its divisors is an integer number (284156497).
Almost surely, 2568312993 is an apocalyptic number.
It is an amenable number.
568312993 is a deficient number, since it is larger than the sum of its proper divisors (1).
568312993 is an equidigital number, since it uses as much as digits as its factorization.
568312993 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 349920, while the sum is 46.
The square root of 568312993 is about 23839.3161185467. The cubic root of 568312993 is about 828.3156401408.
The spelling of 568312993 in words is "five hundred sixty-eight million, three hundred twelve thousand, nine hundred ninety-three".
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