Base | Representation |
---|---|
bin | 1110111010101… |
… | …01001011001001 |
3 | 22201110020021212 |
4 | 13131111023021 |
5 | 224013120132 |
6 | 20225542505 |
7 | 3046403540 |
oct | 735251311 |
9 | 281406255 |
10 | 125129417 |
11 | 646a5646 |
12 | 35aa4a35 |
13 | 1cc0189a |
14 | 12893157 |
15 | aeba5b2 |
hex | 77552c9 |
125129417 has 16 divisors (see below), whose sum is σ = 147689472. Its totient is φ = 103783680.
The previous prime is 125129387. The next prime is 125129419. The reversal of 125129417 is 714921521.
It is not a de Polignac number, because 125129417 - 214 = 125113033 is a prime.
It is not an unprimeable number, because it can be changed into a prime (125129419) 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, 34733 + ... + 38165.
It is an arithmetic number, because the mean of its divisors is an integer number (9230592).
Almost surely, 2125129417 is an apocalyptic number.
It is an amenable number.
125129417 is a deficient number, since it is larger than the sum of its proper divisors (22560055).
125129417 is a wasteful number, since it uses less digits than its factorization.
125129417 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3608.
The product of its digits is 5040, while the sum is 32.
The square root of 125129417 is about 11186.1260944082. The cubic root of 125129417 is about 500.1724964831.
The spelling of 125129417 in words is "one hundred twenty-five million, one hundred twenty-nine thousand, four hundred seventeen".
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