Base | Representation |
---|---|
bin | 10101101001011010… |
… | …100010101011110001 |
3 | 2012222212120011022121 |
4 | 111221122202223301 |
5 | 340100302330334 |
6 | 14402230434241 |
7 | 1451664441214 |
oct | 255132425361 |
9 | 65885504277 |
10 | 23243401969 |
11 | 9948326a17 |
12 | 4608202981 |
13 | 22656315b8 |
14 | 11a6d6b77b |
15 | 91088ddb4 |
hex | 5696a2af1 |
23243401969 has 2 divisors, whose sum is σ = 23243401970. Its totient is φ = 23243401968.
The previous prime is 23243401931. The next prime is 23243402023. The reversal of 23243401969 is 96910434232.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 23168492944 + 74909025 = 152212^2 + 8655^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23243401969 is a prime.
It is a super-2 number, since 2×232434019692 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (23243401469) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11621700984 + 11621700985.
It is an arithmetic number, because the mean of its divisors is an integer number (11621700985).
Almost surely, 223243401969 is an apocalyptic number.
It is an amenable number.
23243401969 is a deficient number, since it is larger than the sum of its proper divisors (1).
23243401969 is an equidigital number, since it uses as much as digits as its factorization.
23243401969 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 279936, while the sum is 43.
The spelling of 23243401969 in words is "twenty-three billion, two hundred forty-three million, four hundred one thousand, nine hundred sixty-nine".
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