Base | Representation |
---|---|
bin | 111010001111011100… |
… | …0111010100011100110 |
3 | 102221211111120112112000 |
4 | 1310132320322203212 |
5 | 4022122001203344 |
6 | 133242445110130 |
7 | 12015256622664 |
oct | 1643670724346 |
9 | 387744515460 |
10 | 125072287974 |
11 | 49052056157 |
12 | 202a6558346 |
13 | ba43005cba |
14 | 60a6c63c34 |
15 | 33c043aa69 |
hex | 1d1ee3a8e6 |
125072287974 has 32 divisors (see below), whose sum is σ = 280636861440. Its totient is φ = 41285996136.
The previous prime is 125072287973. The next prime is 125072288009. The reversal of 125072287974 is 479782270521.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 125072287974.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125072287973) 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, 11237902 + ... + 11249025.
It is an arithmetic number, because the mean of its divisors is an integer number (8769901920).
Almost surely, 2125072287974 is an apocalyptic number.
125072287974 is an abundant number, since it is smaller than the sum of its proper divisors (155564573466).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125072287974 is a wasteful number, since it uses less digits than its factorization.
125072287974 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22487041 (or 22487035 counting only the distinct ones).
The product of its (nonzero) digits is 3951360, while the sum is 54.
The spelling of 125072287974 in words is "one hundred twenty-five billion, seventy-two million, two hundred eighty-seven thousand, nine hundred seventy-four".
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