Base | Representation |
---|---|
bin | 1110111100100… |
… | …10000111000111 |
3 | 22201220220200020 |
4 | 13132102013013 |
5 | 224044112030 |
6 | 20235150223 |
7 | 3051463326 |
oct | 736220707 |
9 | 281826606 |
10 | 125379015 |
11 | 64856123 |
12 | 35ba5373 |
13 | 1cc8b388 |
14 | 1291a0bd |
15 | b019510 |
hex | 77921c7 |
125379015 has 16 divisors (see below), whose sum is σ = 200870496. Its totient is φ = 66780800.
The previous prime is 125378987. The next prime is 125379019. The reversal of 125379015 is 510973521.
It is not a de Polignac number, because 125379015 - 25 = 125378983 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125379019) 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, 7225 + ... + 17405.
It is an arithmetic number, because the mean of its divisors is an integer number (12554406).
Almost surely, 2125379015 is an apocalyptic number.
125379015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
125379015 is a deficient number, since it is larger than the sum of its proper divisors (75491481).
125379015 is a wasteful number, since it uses less digits than its factorization.
125379015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11010.
The product of its (nonzero) digits is 9450, while the sum is 33.
The square root of 125379015 is about 11197.2771243727. The cubic root of 125379015 is about 500.5048434280.
The spelling of 125379015 in words is "one hundred twenty-five million, three hundred seventy-nine thousand, fifteen".
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