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72197624874 = 2319976025507
BaseRepresentation
bin100001100111101010…
…0000101010000101010
320220100120120100110110
41003033110011100222
52140330042443444
653100033355150
75134060454154
oct1031724052052
9226316510413
1072197624874
112868974a181
1211baaa08ab6
136a67826bbb
1436cc835ad4
151d2850dcb9
hex10cf50542a

72197624874 has 16 divisors (see below), whose sum is σ = 144467579808. Its totient is φ = 24053819952.

The previous prime is 72197624857. The next prime is 72197624899. The reversal of 72197624874 is 47842679127.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3000772 + ... + 3024735.

It is an arithmetic number, because the mean of its divisors is an integer number (9029223738).

Almost surely, 272197624874 is an apocalyptic number.

72197624874 is an abundant number, since it is smaller than the sum of its proper divisors (72269954934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72197624874 is a wasteful number, since it uses less digits than its factorization.

72197624874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6027509.

The product of its digits is 9483264, while the sum is 57.

The spelling of 72197624874 in words is "seventy-two billion, one hundred ninety-seven million, six hundred twenty-four thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 1997 3994 5991 11982 6025507 12051014 18076521 36153042 12032937479 24065874958 36098812437 72197624874