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72272271839 = 192200200199
BaseRepresentation
bin100001101001111000…
…0110101100111011111
320220112210000210211212
41003103300311213133
52141003200144324
653111301335035
75135655113615
oct1032360654737
9226483023755
1072272271839
11287178a4589
121200ba0747b
136a7a1318c1
1436d87076b5
151d2ed5670e
hex10d3c359df

72272271839 has 6 divisors (see below), whose sum is σ = 76276276200. Its totient is φ = 68468467716.

The previous prime is 72272271821. The next prime is 72272271859. The reversal of 72272271839 is 93817227227.

It is a de Polignac number, because none of the positive numbers 2k-72272271839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72272271809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100099739 + ... + 100100460.

It is an arithmetic number, because the mean of its divisors is an integer number (12712712700).

Almost surely, 272272271839 is an apocalyptic number.

72272271839 is a deficient number, since it is larger than the sum of its proper divisors (4004004361).

72272271839 is a wasteful number, since it uses less digits than its factorization.

72272271839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200200237 (or 200200218 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 50.

The spelling of 72272271839 in words is "seventy-two billion, two hundred seventy-two million, two hundred seventy-one thousand, eight hundred thirty-nine".

Divisors: 1 19 361 200200199 3803803781 72272271839