Base | Representation |
---|---|
bin | 1000100111111101… |
… | …1101111011011001 |
3 | 12222100022002110021 |
4 | 2021333131323121 |
5 | 14220132204444 |
6 | 1021420550441 |
7 | 111241110025 |
oct | 21177357331 |
9 | 5870262407 |
10 | 2315116249 |
11 | a88906116 |
12 | 5473b2421 |
13 | 2ab838694 |
14 | 17d685385 |
15 | d83aa584 |
hex | 89fdded9 |
2315116249 has 2 divisors, whose sum is σ = 2315116250. Its totient is φ = 2315116248.
The previous prime is 2315116247. The next prime is 2315116273. The reversal of 2315116249 is 9426115132.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1910301849 + 404814400 = 43707^2 + 20120^2 .
It is a cyclic number.
It is not a de Polignac number, because 2315116249 - 21 = 2315116247 is a prime.
Together with 2315116247, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (2315116247) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1157558124 + 1157558125.
It is an arithmetic number, because the mean of its divisors is an integer number (1157558125).
Almost surely, 22315116249 is an apocalyptic number.
It is an amenable number.
2315116249 is a deficient number, since it is larger than the sum of its proper divisors (1).
2315116249 is an equidigital number, since it uses as much as digits as its factorization.
2315116249 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 12960, while the sum is 34.
The square root of 2315116249 is about 48115.6549264374. The cubic root of 2315116249 is about 1322.8916271144.
The spelling of 2315116249 in words is "two billion, three hundred fifteen million, one hundred sixteen thousand, two hundred forty-nine".
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