Base | Representation |
---|---|
bin | 1111000000110… |
… | …11101110111001 |
3 | 22202222112220221 |
4 | 13200123232321 |
5 | 224220131323 |
6 | 20255220041 |
7 | 3056331631 |
oct | 740335671 |
9 | 282875827 |
10 | 125942713 |
11 | 65100696 |
12 | 36217621 |
13 | 20127b20 |
14 | 12a256c1 |
15 | b0cb55d |
hex | 781bbb9 |
125942713 has 8 divisors (see below), whose sum is σ = 135881928. Its totient is φ = 116039424.
The previous prime is 125942653. The next prime is 125942717. The reversal of 125942713 is 317249521.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 4678569 + 121264144 = 2163^2 + 11012^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 125942713 - 225 = 92388281 is a prime.
It is not an unprimeable number, because it can be changed into a prime (125942717) 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, 1456 + ... + 15937.
It is an arithmetic number, because the mean of its divisors is an integer number (16985241).
Almost surely, 2125942713 is an apocalyptic number.
125942713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
125942713 is a deficient number, since it is larger than the sum of its proper divisors (9939215).
125942713 is a wasteful number, since it uses less digits than its factorization.
125942713 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17963.
The product of its digits is 15120, while the sum is 34.
The square root of 125942713 is about 11222.4201044160. The cubic root of 125942713 is about 501.2538039898.
The spelling of 125942713 in words is "one hundred twenty-five million, nine hundred forty-two thousand, seven hundred thirteen".
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