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72873331097 = 789116971639
BaseRepresentation
bin100001111011110010…
…1101100100110011001
320222002200000210010212
41003313211230212121
52143221033043342
653251052220505
75156604044150
oct1036745544631
9228080023125
1072873331097
11289a6106276
121215916a735
136b4480b678
143754488597
151d679d3182
hex10f796c999

72873331097 has 8 divisors (see below), whose sum is σ = 84219580800. Its totient is φ = 61761024864.

The previous prime is 72873331081. The next prime is 72873331183. The reversal of 72873331097 is 79013337827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72873331097 - 24 = 72873331081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72873301097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58485197 + ... + 58486442.

It is an arithmetic number, because the mean of its divisors is an integer number (10527447600).

Almost surely, 272873331097 is an apocalyptic number.

It is an amenable number.

72873331097 is a deficient number, since it is larger than the sum of its proper divisors (11346249703).

72873331097 is a wasteful number, since it uses less digits than its factorization.

72873331097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116971735.

The product of its (nonzero) digits is 1333584, while the sum is 50.

The spelling of 72873331097 in words is "seventy-two billion, eight hundred seventy-three million, three hundred thirty-one thousand, ninety-seven".

Divisors: 1 7 89 623 116971639 818801473 10410475871 72873331097