Base | Representation |
---|---|
bin | 1110111110101… |
… | …10101101101010 |
3 | 22202110012010110 |
4 | 13133112231222 |
5 | 224132110020 |
6 | 20245155150 |
7 | 3054043500 |
oct | 737265552 |
9 | 282405113 |
10 | 125660010 |
11 | 64a28253 |
12 | 360bbab6 |
13 | 20059248 |
14 | 12990670 |
15 | b0728e0 |
hex | 77d6b6a |
125660010 has 96 divisors (see below), whose sum is σ = 355931712. Its totient is φ = 28304640.
The previous prime is 125660009. The next prime is 125660021. The reversal of 125660010 is 10066521.
It is a happy number.
It is a super-2 number, since 2×1256600102 = 31580876226400200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 106725 + ... + 107895.
It is an arithmetic number, because the mean of its divisors is an integer number (3707622).
Almost surely, 2125660010 is an apocalyptic number.
125660010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 125660010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177965856).
125660010 is an abundant number, since it is smaller than the sum of its proper divisors (230271702).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125660010 is a wasteful number, since it uses less digits than its factorization.
125660010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1268 (or 1261 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 21.
The square root of 125660010 is about 11209.8175721106. The cubic root of 125660010 is about 500.8784690138.
The spelling of 125660010 in words is "one hundred twenty-five million, six hundred sixty thousand, ten".
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