Base | Representation |
---|---|
bin | 1010100000011000111011… |
… | …11011011101101000001001 |
3 | 10000210122012221022012010101 |
4 | 11100030131323131220021 |
5 | 11012010203042243142 |
6 | 121045233145245401 |
7 | 4603101062100223 |
oct | 520143573355011 |
9 | 100718187265111 |
10 | 23103131212297 |
11 | 73a7a8a2a9a74 |
12 | 271165ba93861 |
13 | cb78012590c6 |
14 | 59c2a9db5413 |
15 | 2a0e736760b7 |
hex | 15031dedda09 |
23103131212297 has 2 divisors, whose sum is σ = 23103131212298. Its totient is φ = 23103131212296.
The previous prime is 23103131212267. The next prime is 23103131212321. The reversal of 23103131212297 is 79221213130132.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 21681418381561 + 1421712830736 = 4656331^2 + 1192356^2 .
It is a cyclic number.
It is not a de Polignac number, because 23103131212297 - 231 = 23100983728649 is a prime.
It is a super-2 number, since 2×231031312122972 (a number of 28 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (23103131212267) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11551565606148 + 11551565606149.
It is an arithmetic number, because the mean of its divisors is an integer number (11551565606149).
Almost surely, 223103131212297 is an apocalyptic number.
It is an amenable number.
23103131212297 is a deficient number, since it is larger than the sum of its proper divisors (1).
23103131212297 is an equidigital number, since it uses as much as digits as its factorization.
23103131212297 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 27216, while the sum is 37.
The spelling of 23103131212297 in words is "twenty-three trillion, one hundred three billion, one hundred thirty-one million, two hundred twelve thousand, two hundred ninety-seven".
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