Base | Representation |
---|---|
bin | 1110111111100… |
… | …01010011010001 |
3 | 22202122201111220 |
4 | 13133301103101 |
5 | 224144101123 |
6 | 20251355253 |
7 | 3055006134 |
oct | 737612321 |
9 | 282581456 |
10 | 125768913 |
11 | 64aa2056 |
12 | 36152b29 |
13 | 2009699a |
14 | 129bc21b |
15 | b094ce3 |
hex | 77f14d1 |
125768913 has 8 divisors (see below), whose sum is σ = 167839776. Its totient is φ = 83772000.
The previous prime is 125768897. The next prime is 125768927. The reversal of 125768913 is 319867521.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 125768913 - 24 = 125768897 is a prime.
It is not an unprimeable number, because it can be changed into a prime (125768213) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14388 + ... + 21413.
It is an arithmetic number, because the mean of its divisors is an integer number (20979972).
Almost surely, 2125768913 is an apocalyptic number.
It is an amenable number.
125768913 is a deficient number, since it is larger than the sum of its proper divisors (42070863).
125768913 is a wasteful number, since it uses less digits than its factorization.
125768913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36975.
The product of its digits is 90720, while the sum is 42.
The square root of 125768913 is about 11214.6740032869. The cubic root of 125768913 is about 501.0231223467.
The spelling of 125768913 in words is "one hundred twenty-five million, seven hundred sixty-eight thousand, nine hundred thirteen".
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