Base | Representation |
---|---|
bin | 1111101000101… |
… | …10101101111110 |
3 | 100010210212121222 |
4 | 13310112231332 |
5 | 232034240204 |
6 | 21003153342 |
7 | 3151612256 |
oct | 764265576 |
9 | 303725558 |
10 | 131165054 |
11 | 68048279 |
12 | 37b15852 |
13 | 21235b77 |
14 | 135c4966 |
15 | b7adabe |
hex | 7d16b7e |
131165054 has 8 divisors (see below), whose sum is σ = 196839720. Its totient is φ = 65551816.
The previous prime is 131164951. The next prime is 131165059. The reversal of 131165054 is 450561131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131165059) 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, 9584 + ... + 18819.
It is an arithmetic number, because the mean of its divisors is an integer number (24604965).
Almost surely, 2131165054 is an apocalyptic number.
131165054 is a deficient number, since it is larger than the sum of its proper divisors (65674666).
131165054 is a wasteful number, since it uses less digits than its factorization.
131165054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30714.
The product of its (nonzero) digits is 1800, while the sum is 26.
The square root of 131165054 is about 11452.7312899587. The cubic root of 131165054 is about 508.0885181687.
The spelling of 131165054 in words is "one hundred thirty-one million, one hundred sixty-five thousand, fifty-four".
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