Base | Representation |
---|---|
bin | 1110111011111… |
… | …01010110111101 |
3 | 22201202121002000 |
4 | 13131331112331 |
5 | 224033402023 |
6 | 20233252513 |
7 | 3050660445 |
oct | 735752675 |
9 | 281677060 |
10 | 125294013 |
11 | 647a8279 |
12 | 35b64139 |
13 | 1cc5b790 |
14 | 128d7125 |
15 | aeee243 |
hex | 777d5bd |
125294013 has 32 divisors (see below), whose sum is σ = 200793600. Its totient is φ = 76759488.
The previous prime is 125294011. The next prime is 125294017. The reversal of 125294013 is 310492521.
125294013 is a `hidden beast` number, since 1 + 252 + 9 + 401 + 3 = 666.
It is not a de Polignac number, because 125294013 - 21 = 125294011 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125294011) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93756 + ... + 95082.
It is an arithmetic number, because the mean of its divisors is an integer number (6274800).
Almost surely, 2125294013 is an apocalyptic number.
125294013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
125294013 is a deficient number, since it is larger than the sum of its proper divisors (75499587).
125294013 is a wasteful number, since it uses less digits than its factorization.
125294013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1618 (or 1612 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
The square root of 125294013 is about 11193.4808259093. The cubic root of 125294013 is about 500.3917103792.
The spelling of 125294013 in words is "one hundred twenty-five million, two hundred ninety-four thousand, thirteen".
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