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72011743223 = 7173227261959
BaseRepresentation
bin100001100010000111…
…0111111111111110111
320212212121210120202212
41003010032333333313
52134440001240343
653025353324035
75126342501150
oct1030416777767
9225777716685
1072011743223
11285a382a582
1211b5870661b
136a38173b64
1436b1c8a927
151d17042c18
hex10c43bfff7

72011743223 has 16 divisors (see below), whose sum is σ = 83139816960. Its totient is φ = 61096988256.

The previous prime is 72011743213. The next prime is 72011743253. The reversal of 72011743223 is 32234711027.

It is not a de Polignac number, because 72011743223 - 28 = 72011742967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72011743223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72011743213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143918 + ... + 405876.

It is an arithmetic number, because the mean of its divisors is an integer number (5196238560).

Almost surely, 272011743223 is an apocalyptic number.

72011743223 is a deficient number, since it is larger than the sum of its proper divisors (11128073737).

72011743223 is a wasteful number, since it uses less digits than its factorization.

72011743223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262366.

The product of its (nonzero) digits is 14112, while the sum is 32.

The spelling of 72011743223 in words is "seventy-two billion, eleven million, seven hundred forty-three thousand, two hundred twenty-three".

Divisors: 1 7 173 227 1211 1589 39271 261959 274897 1833713 45318907 59464693 317232349 416252851 10287391889 72011743223