Base | Representation |
---|---|
bin | 10101101000101011… |
… | …001111100101110101 |
3 | 2012222000020020010102 |
4 | 111220223033211311 |
5 | 340034114043442 |
6 | 14401105003445 |
7 | 1451454160466 |
oct | 255053174565 |
9 | 65860206112 |
10 | 23231002997 |
11 | 9941328434 |
12 | 4604023585 |
13 | 2262bacb27 |
14 | 11a5460d6d |
15 | 90e740232 |
hex | 568acf975 |
23231002997 has 2 divisors, whose sum is σ = 23231002998. Its totient is φ = 23231002996.
The previous prime is 23231002937. The next prime is 23231003017. The reversal of 23231002997 is 79920013232.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 16000732036 + 7230270961 = 126494^2 + 85031^2 .
It is a cyclic number.
It is not a de Polignac number, because 23231002997 - 214 = 23230986613 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 23231002997.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23231002937) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11615501498 + 11615501499.
It is an arithmetic number, because the mean of its divisors is an integer number (11615501499).
Almost surely, 223231002997 is an apocalyptic number.
It is an amenable number.
23231002997 is a deficient number, since it is larger than the sum of its proper divisors (1).
23231002997 is an equidigital number, since it uses as much as digits as its factorization.
23231002997 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 40824, while the sum is 38.
The spelling of 23231002997 in words is "twenty-three billion, two hundred thirty-one million, two thousand, nine hundred ninety-seven".
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