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72231050711 = 4310322373133
BaseRepresentation
bin100001101000101001…
…1100101110111010111
320220102220110120002102
41003101103211313113
52140412122110321
653103230032315
75134644541451
oct1032123456727
9226386416072
1072231050711
11286a65aa536
1211bba04869b
136a7172b2c1
1436d30572d1
151d2b412c0b
hex10d14e5dd7

72231050711 has 16 divisors (see below), whose sum is σ = 74964105216. Its totient is φ = 69552042336.

The previous prime is 72231050699. The next prime is 72231050719. The reversal of 72231050711 is 11705013227.

It is a cyclic number.

It is not a de Polignac number, because 72231050711 - 222 = 72226856407 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 (72231050719) 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, 951101 + ... + 1024233.

It is an arithmetic number, because the mean of its divisors is an integer number (4685256576).

Almost surely, 272231050711 is an apocalyptic number.

72231050711 is a deficient number, since it is larger than the sum of its proper divisors (2733054505).

72231050711 is a wasteful number, since it uses less digits than its factorization.

72231050711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73502.

The product of its (nonzero) digits is 2940, while the sum is 29.

Adding to 72231050711 its reverse (11705013227), we get a palindrome (83936063938).

The spelling of 72231050711 in words is "seventy-two billion, two hundred thirty-one million, fifty thousand, seven hundred eleven".

Divisors: 1 43 103 223 4429 9589 22969 73133 987667 3144719 7532699 16308659 323906057 701272337 1679791877 72231050711