Base | Representation |
---|---|
bin | 1111101000010… |
… | …10001001111001 |
3 | 100010201021001000 |
4 | 13310022021321 |
5 | 232031113333 |
6 | 21002115213 |
7 | 3151306242 |
oct | 764121171 |
9 | 303637030 |
10 | 131113593 |
11 | 68012646 |
12 | 37aabb09 |
13 | 21218610 |
14 | 135adcc9 |
15 | b79d713 |
hex | 7d0a279 |
131113593 has 64 divisors (see below), whose sum is σ = 221760000. Its totient is φ = 75955968.
The previous prime is 131113589. The next prime is 131113637. The reversal of 131113593 is 395311131.
It is not a de Polignac number, because 131113593 - 22 = 131113589 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (131113093) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 879883 + ... + 880031.
It is an arithmetic number, because the mean of its divisors is an integer number (3465000).
Almost surely, 2131113593 is an apocalyptic number.
131113593 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
131113593 is a deficient number, since it is larger than the sum of its proper divisors (90646407).
131113593 is a wasteful number, since it uses less digits than its factorization.
131113593 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 303 (or 297 counting only the distinct ones).
The product of its digits is 1215, while the sum is 27.
The square root of 131113593 is about 11450.4844002339. The cubic root of 131113593 is about 508.0220620443.
The spelling of 131113593 in words is "one hundred thirty-one million, one hundred thirteen thousand, five hundred ninety-three".
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