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72089471288 = 239128398717
BaseRepresentation
bin100001100100011011…
…1100000100100111000
320220002001001120122002
41003020313200210320
52140114401040123
653041211320132
75131305252452
oct1031067404470
9226061046562
1072089471288
112863369984a
1211b7a750048
136a4b2ba0b3
1436bc3212d2
151d1dc98528
hex10c8de0938

72089471288 has 16 divisors (see below), whose sum is σ = 135170608680. Its totient is φ = 36043975648.

The previous prime is 72089471269. The next prime is 72089471291. The reversal of 72089471288 is 88217498027.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680906 + ... + 779622.

Almost surely, 272089471288 is an apocalyptic number.

It is an amenable number.

72089471288 is a deficient number, since it is larger than the sum of its proper divisors (63081137392).

72089471288 is a wasteful number, since it uses less digits than its factorization.

72089471288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190006 (or 190002 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 56.

The spelling of 72089471288 in words is "seventy-two billion, eighty-nine million, four hundred seventy-one thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 91283 98717 182566 197434 365132 394868 730264 789736 9011183911 18022367822 36044735644 72089471288