Base | Representation |
---|---|
bin | 1111101010010… |
… | …00011111010100 |
3 | 100011012020021102 |
4 | 13311020133110 |
5 | 232112301131 |
6 | 21011405232 |
7 | 3153421520 |
oct | 765103724 |
9 | 304166242 |
10 | 131368916 |
11 | 68177458 |
12 | 37bb3818 |
13 | 212a78b3 |
14 | 13638d80 |
15 | b7ee1cb |
hex | 7d487d4 |
131368916 has 24 divisors (see below), whose sum is σ = 274162560. Its totient is φ = 53852832.
The previous prime is 131368873. The next prime is 131368949. The reversal of 131368916 is 619863131.
It is a self number, because there is not a number n which added to its sum of digits gives 131368916.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101351 + ... + 102638.
It is an arithmetic number, because the mean of its divisors is an integer number (11423440).
Almost surely, 2131368916 is an apocalyptic number.
It is an amenable number.
131368916 is an abundant number, since it is smaller than the sum of its proper divisors (142793644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131368916 is a wasteful number, since it uses less digits than its factorization.
131368916 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 204023 (or 204021 counting only the distinct ones).
The product of its digits is 23328, while the sum is 38.
The square root of 131368916 is about 11461.6279820975. The cubic root of 131368916 is about 508.3516124455.
The spelling of 131368916 in words is "one hundred thirty-one million, three hundred sixty-eight thousand, nine hundred sixteen".
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