Base | Representation |
---|---|
bin | 1111101001011… |
… | …11100110010000 |
3 | 100011000001102021 |
4 | 13310233212100 |
5 | 232101020320 |
6 | 21005301224 |
7 | 3152515336 |
oct | 764574620 |
9 | 304001367 |
10 | 131266960 |
11 | 681078a0 |
12 | 37b64814 |
13 | 21270376 |
14 | 1360db56 |
15 | b7cddaa |
hex | 7d2f990 |
131266960 has 80 divisors (see below), whose sum is σ = 340781760. Its totient is φ = 46609920.
The previous prime is 131266951. The next prime is 131266999. The reversal of 131266960 is 69662131.
It is a tau number, because it is divible by the number of its divisors (80).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36106 + ... + 39574.
It is an arithmetic number, because the mean of its divisors is an integer number (4259772).
Almost surely, 2131266960 is an apocalyptic number.
131266960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131266960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170390880).
131266960 is an abundant number, since it is smaller than the sum of its proper divisors (209514800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131266960 is a wasteful number, since it uses less digits than its factorization.
131266960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3536 (or 3530 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 34.
The square root of 131266960 is about 11457.1794085630. The cubic root of 131266960 is about 508.2200670928.
The spelling of 131266960 in words is "one hundred thirty-one million, two hundred sixty-six thousand, nine hundred sixty".
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