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2315198239 = 234713116349
BaseRepresentation
bin1000100111111111…
…0001111100011111
312222100110020220221
42021333301330133
514220142320424
61021422422211
7111241601044
oct21177617437
95870406827
102315198239
11a88961782
12547431967
132ab866ab3
1417d6a71cb
15d83c49e4
hex89ff1f1f

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".

Divisors: 1 23 47 131 1081 3013 6157 16349 141611 376027 768403 2141719 17673269 49259537 100660793 2315198239