Base | Representation |
---|---|
bin | 101110001101… |
… | …110101100001 |
3 | 211210112001201 |
4 | 232031311201 |
5 | 11100142142 |
6 | 1111401201 |
7 | 204656365 |
oct | 56156541 |
9 | 24715051 |
10 | 12115297 |
11 | 6925447 |
12 | 4083201 |
13 | 268261c |
14 | 18752a5 |
15 | 10e4ab7 |
hex | b8dd61 |
12115297 has 2 divisors, whose sum is σ = 12115298. Its totient is φ = 12115296.
The previous prime is 12115283. The next prime is 12115309. The reversal of 12115297 is 79251121.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 6806881 + 5308416 = 2609^2 + 2304^2 .
It is a cyclic number.
It is not a de Polignac number, because 12115297 - 219 = 11591009 is a prime.
It is not a weakly prime, because it can be changed into another prime (12115267) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6057648 + 6057649.
It is an arithmetic number, because the mean of its divisors is an integer number (6057649).
Almost surely, 212115297 is an apocalyptic number.
It is an amenable number.
12115297 is a deficient number, since it is larger than the sum of its proper divisors (1).
12115297 is an equidigital number, since it uses as much as digits as its factorization.
12115297 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1260, while the sum is 28.
The square root of 12115297 is about 3480.7035208417. The cubic root of 12115297 is about 229.6737466305.
The spelling of 12115297 in words is "twelve million, one hundred fifteen thousand, two hundred ninety-seven".
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