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72052036331 = 118217978301
BaseRepresentation
bin100001100011010100…
…0101101001011101011
320212222102121200112012
41003012220231023223
52140030310130311
653033353110135
75130342126602
oct1030650551353
9225872550465
1072052036331
1128614550370
1211b6a0b834b
136a43610c32
1436b7378a39
151d1a85178b
hex10c6a2d2eb

72052036331 has 8 divisors (see below), whose sum is σ = 78697970928. Its totient is φ = 65422060000.

The previous prime is 72052036327. The next prime is 72052036339. The reversal of 72052036331 is 13363025027.

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

It is not a de Polignac number, because 72052036331 - 22 = 72052036327 is a prime.

It is a super-2 number, since 2×720520363312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72052036339) 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, 3980120 + ... + 3998181.

It is an arithmetic number, because the mean of its divisors is an integer number (9837246366).

Almost surely, 272052036331 is an apocalyptic number.

72052036331 is a deficient number, since it is larger than the sum of its proper divisors (6645934597).

72052036331 is a wasteful number, since it uses less digits than its factorization.

72052036331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7979133.

The product of its (nonzero) digits is 22680, while the sum is 32.

The spelling of 72052036331 in words is "seventy-two billion, fifty-two million, thirty-six thousand, three hundred thirty-one".

Divisors: 1 11 821 9031 7978301 87761311 6550185121 72052036331