Base | Representation |
---|---|
bin | 1111101001100… |
… | …01111111100000 |
3 | 100011000112212112 |
4 | 13310301333200 |
5 | 232101324033 |
6 | 21005414452 |
7 | 3152556050 |
oct | 764617740 |
9 | 304015775 |
10 | 131276768 |
11 | 681141a7 |
12 | 37b6a428 |
13 | 2127497c |
14 | 13613560 |
15 | b7d1c48 |
hex | 7d31fe0 |
131276768 has 24 divisors (see below), whose sum is σ = 295373232. Its totient is φ = 56261376.
The previous prime is 131276767. The next prime is 131276791. The reversal of 131276768 is 867672131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131276767) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292805 + ... + 293252.
It is an arithmetic number, because the mean of its divisors is an integer number (12307218).
Almost surely, 2131276768 is an apocalyptic number.
It is an amenable number.
131276768 is an abundant number, since it is smaller than the sum of its proper divisors (164096464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131276768 is an equidigital number, since it uses as much as digits as its factorization.
131276768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 586074 (or 586066 counting only the distinct ones).
The product of its digits is 84672, while the sum is 41.
The square root of 131276768 is about 11457.6074291276. The cubic root of 131276768 is about 508.2327245005.
The spelling of 131276768 in words is "one hundred thirty-one million, two hundred seventy-six thousand, seven hundred sixty-eight".
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