Base | Representation |
---|---|
bin | 1111100111110… |
… | …01001011101101 |
3 | 100010120201200100 |
4 | 13303321023231 |
5 | 232021402302 |
6 | 21000421313 |
7 | 3150566463 |
oct | 763711355 |
9 | 303521610 |
10 | 131044077 |
11 | 67a7539a |
12 | 37a77839 |
13 | 211c2a98 |
14 | 13592833 |
15 | b787d1c |
hex | 7cf92ed |
131044077 has 24 divisors (see below), whose sum is σ = 195773760. Its totient is φ = 84409920.
The previous prime is 131044063. The next prime is 131044097. The reversal of 131044077 is 770440131.
It is not a de Polignac number, because 131044077 - 212 = 131039981 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 131044077.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131044097) 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, 37824 + ... + 41142.
It is an arithmetic number, because the mean of its divisors is an integer number (8157240).
Almost surely, 2131044077 is an apocalyptic number.
It is an amenable number.
131044077 is a deficient number, since it is larger than the sum of its proper divisors (64729683).
131044077 is a wasteful number, since it uses less digits than its factorization.
131044077 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3473 (or 3470 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 27.
The square root of 131044077 is about 11447.4484930049. The cubic root of 131044077 is about 507.9322622910.
The spelling of 131044077 in words is "one hundred thirty-one million, forty-four thousand, seventy-seven".
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