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8072873031 = 32690957677
BaseRepresentation
bin1111000010010111…
…00100010001000111
3202211121112102220110
413201023210101013
5113013123414111
63413021404103
7404024200656
oct74113442107
922747472813
108072873031
113472a20aa3
121693709633
139b8679562
1456823719d
15323ae25a6
hex1e12e4447

8072873031 has 4 divisors (see below), whose sum is σ = 10763830712. Its totient is φ = 5381915352.

The previous prime is 8072873023. The next prime is 8072873059. The reversal of 8072873031 is 1303782708.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8072873031 - 23 = 8072873023 is a prime.

It is a super-2 number, since 2×80728730312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8072877031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1345478836 + ... + 1345478841.

It is an arithmetic number, because the mean of its divisors is an integer number (2690957678).

Almost surely, 28072873031 is an apocalyptic number.

8072873031 is a deficient number, since it is larger than the sum of its proper divisors (2690957681).

8072873031 is a wasteful number, since it uses less digits than its factorization.

8072873031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690957680.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 8072873031 is about 89849.1682265340. The cubic root of 8072873031 is about 2006.0544061722.

The spelling of 8072873031 in words is "eight billion, seventy-two million, eight hundred seventy-three thousand, thirty-one".

Divisors: 1 3 2690957677 8072873031