Base | Representation |
---|---|
bin | 1000100111111111… |
… | …0001111100011111 |
3 | 12222100110020220221 |
4 | 2021333301330133 |
5 | 14220142320424 |
6 | 1021422422211 |
7 | 111241601044 |
oct | 21177617437 |
9 | 5870406827 |
10 | 2315198239 |
11 | a88961782 |
12 | 547431967 |
13 | 2ab866ab3 |
14 | 17d6a71cb |
15 | d83c49e4 |
hex | 89ff1f1f |
2315198239 has 16 divisors (see below), whose sum is σ = 2486246400. Its totient is φ = 2150742880.
The previous prime is 2315198219. The next prime is 2315198243. The reversal of 2315198239 is 9328915132.
It is not a de Polignac number, because 2315198239 - 27 = 2315198111 is a prime.
It is a super-2 number, since 2×23151982392 = 10720285771737402242, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2315198195 and 2315198204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2315198219) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133437 + ... + 149785.
It is an arithmetic number, because the mean of its divisors is an integer number (155390400).
Almost surely, 22315198239 is an apocalyptic number.
2315198239 is a deficient number, since it is larger than the sum of its proper divisors (171048161).
2315198239 is a wasteful number, since it uses less digits than its factorization.
2315198239 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16550.
The product of its digits is 116640, while the sum is 43.
The square root of 2315198239 is about 48116.5069284960. The cubic root of 2315198239 is about 1322.9072436958.
The spelling of 2315198239 in words is "two billion, three hundred fifteen million, one hundred ninety-eight thousand, two hundred thirty-nine".
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