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813873068 = 22972097611
BaseRepresentation
bin110000100000101…
…011011110101100
32002201110000221222
4300200223132230
53131322414233
6212432042512
726111543531
oct6040533654
92081400858
10813873068
11388456978
121a8693438
13cc7cc5c8
147a13ad88
154b6b7898
hex3082b7ac

813873068 has 12 divisors (see below), whose sum is σ = 1438961832. Its totient is φ = 402741120.

The previous prime is 813873007. The next prime is 813873077. The reversal of 813873068 is 860378318.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1048418 + ... + 1049193.

It is an arithmetic number, because the mean of its divisors is an integer number (119913486).

Almost surely, 2813873068 is an apocalyptic number.

It is an amenable number.

813873068 is a deficient number, since it is larger than the sum of its proper divisors (625088764).

813873068 is a wasteful number, since it uses less digits than its factorization.

813873068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097712 (or 2097710 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 813873068 is about 28528.4606664993. The cubic root of 813873068 is about 933.6531335507.

The spelling of 813873068 in words is "eight hundred thirteen million, eight hundred seventy-three thousand, sixty-eight".

Divisors: 1 2 4 97 194 388 2097611 4195222 8390444 203468267 406936534 813873068