Base | Representation |
---|---|
bin | 1111101000011… |
… | …11010011100001 |
3 | 100010202022222100 |
4 | 13310033103201 |
5 | 232032302224 |
6 | 21002401013 |
7 | 3151424610 |
oct | 764172341 |
9 | 303668870 |
10 | 131134689 |
11 | 68027484 |
12 | 37b00169 |
13 | 212250ba |
14 | 135b7877 |
15 | b7a4ac9 |
hex | 7d0f4e1 |
131134689 has 24 divisors (see below), whose sum is σ = 220031552. Its totient is φ = 73703520.
The previous prime is 131134643. The next prime is 131134691. The reversal of 131134689 is 986431131.
It is not a de Polignac number, because 131134689 - 215 = 131101921 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131134609) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13219 + ... + 20904.
Almost surely, 2131134689 is an apocalyptic number.
It is an amenable number.
131134689 is a deficient number, since it is larger than the sum of its proper divisors (88896863).
131134689 is a wasteful number, since it uses less digits than its factorization.
131134689 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34197 (or 34194 counting only the distinct ones).
The product of its digits is 15552, while the sum is 36.
The square root of 131134689 is about 11451.4055469187. The cubic root of 131134689 is about 508.0493072710.
The spelling of 131134689 in words is "one hundred thirty-one million, one hundred thirty-four thousand, six hundred eighty-nine".
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