Search a number
-
+
125072287974 = 23310322486927
BaseRepresentation
bin111010001111011100…
…0111010100011100110
3102221211111120112112000
41310132320322203212
54022122001203344
6133242445110130
712015256622664
oct1643670724346
9387744515460
10125072287974
1149052056157
12202a6558346
13ba43005cba
1460a6c63c34
1533c043aa69
hex1d1ee3a8e6

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".

Divisors: 1 2 3 6 9 18 27 54 103 206 309 618 927 1854 2781 5562 22486927 44973854 67460781 134921562 202382343 404764686 607147029 1214294058 2316153481 4632306962 6948460443 13896920886 20845381329 41690762658 62536143987 125072287974