Base | Representation |
---|---|
bin | 10101111000100111… |
… | …010101001111000101 |
3 | 2020122122102001200111 |
4 | 111320213111033011 |
5 | 341111043203442 |
6 | 14443420313021 |
7 | 1461212133463 |
oct | 257047251705 |
9 | 66578361614 |
10 | 23498412997 |
11 | 9a69272534 |
12 | 46796a2771 |
13 | 22a6409ab7 |
14 | 11ccb8d833 |
15 | 927e62b17 |
hex | 5789d53c5 |
23498412997 has 2 divisors, whose sum is σ = 23498412998. Its totient is φ = 23498412996.
The previous prime is 23498412961. The next prime is 23498413019. The reversal of 23498412997 is 79921489432.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 23021689441 + 476723556 = 151729^2 + 21834^2 .
It is a cyclic number.
It is not a de Polignac number, because 23498412997 - 231 = 21350929349 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23498413997) 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, 11749206498 + 11749206499.
It is an arithmetic number, because the mean of its divisors is an integer number (11749206499).
Almost surely, 223498412997 is an apocalyptic number.
It is an amenable number.
23498412997 is a deficient number, since it is larger than the sum of its proper divisors (1).
23498412997 is an equidigital number, since it uses as much as digits as its factorization.
23498412997 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 7838208, while the sum is 58.
The spelling of 23498412997 in words is "twenty-three billion, four hundred ninety-eight million, four hundred twelve thousand, nine hundred ninety-seven".
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