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72330974168 = 2319961773637
BaseRepresentation
bin100001101011101000…
…0110001001111011000
320220200212111012022012
41003113100301033120
52141113212133133
653121155445052
75140300064465
oct1032720611730
9226625435265
1072330974168
1128747a49502
12120275b6788
136a89345ccb
14370242866c
151d3509eb48
hex10d74313d8

72330974168 has 32 divisors (see below), whose sum is σ = 136524852000. Its totient is φ = 35924942592.

The previous prime is 72330974147. The next prime is 72330974203. The reversal of 72330974168 is 86147903327.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 945446 + ... + 1019082.

It is an arithmetic number, because the mean of its divisors is an integer number (4266401625).

Almost surely, 272330974168 is an apocalyptic number.

It is an amenable number.

72330974168 is a deficient number, since it is larger than the sum of its proper divisors (64193877832).

72330974168 is a wasteful number, since it uses less digits than its factorization.

72330974168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74459 (or 74455 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 72330974168 in words is "seventy-two billion, three hundred thirty million, nine hundred seventy-four thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 199 398 617 796 1234 1592 2468 4936 73637 122783 147274 245566 294548 491132 589096 982264 14653763 29307526 45434029 58615052 90868058 117230104 181736116 363472232 9041371771 18082743542 36165487084 72330974168