Base | Representation |
---|---|
bin | 1111101001010… |
… | …11001100111001 |
3 | 100010222010201100 |
4 | 13310223030321 |
5 | 232044431303 |
6 | 21005042013 |
7 | 3152412003 |
oct | 764531471 |
9 | 303863640 |
10 | 131248953 |
11 | 680a5310 |
12 | 37b56309 |
13 | 21265104 |
14 | 13607373 |
15 | b7c88a3 |
hex | 7d2b339 |
131248953 has 24 divisors (see below), whose sum is σ = 212412096. Its totient is φ = 77392800.
The previous prime is 131248951. The next prime is 131248969. The reversal of 131248953 is 359842131.
It is not a de Polignac number, because 131248953 - 21 = 131248951 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131248951) 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, 14253 + ... + 21578.
It is an arithmetic number, because the mean of its divisors is an integer number (8850504).
Almost surely, 2131248953 is an apocalyptic number.
It is an amenable number.
131248953 is a deficient number, since it is larger than the sum of its proper divisors (81163143).
131248953 is a wasteful number, since it uses less digits than its factorization.
131248953 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35885 (or 35882 counting only the distinct ones).
The product of its digits is 25920, while the sum is 36.
The square root of 131248953 is about 11456.3935424723. The cubic root of 131248953 is about 508.1968270807.
The spelling of 131248953 in words is "one hundred thirty-one million, two hundred forty-eight thousand, nine hundred fifty-three".
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