Base | Representation |
---|---|
bin | 1111101000000… |
… | …01001000111100 |
3 | 100010122101101102 |
4 | 13310001020330 |
5 | 232023423133 |
6 | 21001232232 |
7 | 3151063502 |
oct | 764011074 |
9 | 303571342 |
10 | 131076668 |
11 | 67a97928 |
12 | 37a92678 |
13 | 21204878 |
14 | 135a0672 |
15 | b7927e8 |
hex | 7d0123c |
131076668 has 24 divisors (see below), whose sum is σ = 243238800. Its totient is φ = 61630848.
The previous prime is 131076661. The next prime is 131076679. The reversal of 131076668 is 866670131.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131076661) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4118 + ... + 16706.
It is an arithmetic number, because the mean of its divisors is an integer number (10134950).
Almost surely, 2131076668 is an apocalyptic number.
It is an amenable number.
131076668 is a deficient number, since it is larger than the sum of its proper divisors (112162132).
131076668 is a wasteful number, since it uses less digits than its factorization.
131076668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12749 (or 12747 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 38.
The square root of 131076668 is about 11448.8719094940. The cubic root of 131076668 is about 507.9743668220.
The spelling of 131076668 in words is "one hundred thirty-one million, seventy-six thousand, six hundred sixty-eight".
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