Base | Representation |
---|---|
bin | 1110111111100… |
… | …00011000001010 |
3 | 22202122112022210 |
4 | 13133300120022 |
5 | 224143441010 |
6 | 20251325550 |
7 | 3054662121 |
oct | 737603012 |
9 | 282575283 |
10 | 125765130 |
11 | 64a9a227 |
12 | 361508b6 |
13 | 2009504a |
14 | 129baab8 |
15 | b093b20 |
hex | 77f060a |
125765130 has 32 divisors (see below), whose sum is σ = 305976384. Its totient is φ = 33077376.
The previous prime is 125765113. The next prime is 125765137. The reversal of 125765130 is 31567521.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (125765137) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26524 + ... + 30903.
It is an arithmetic number, because the mean of its divisors is an integer number (9561762).
Almost surely, 2125765130 is an apocalyptic number.
125765130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
125765130 is an abundant number, since it is smaller than the sum of its proper divisors (180211254).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125765130 is a wasteful number, since it uses less digits than its factorization.
125765130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57510.
The product of its (nonzero) digits is 6300, while the sum is 30.
The square root of 125765130 is about 11214.5053390687. The cubic root of 125765130 is about 501.0180988756.
The spelling of 125765130 in words is "one hundred twenty-five million, seven hundred sixty-five thousand, one hundred thirty".
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