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28160346608 = 242376522681
BaseRepresentation
bin11010001110011111…
…001100100111110000
32200200112122211100022
4122032133030213300
5430133022042413
620534153543012
72014560665612
oct321637144760
980615584308
1028160346608
1110a40866229
12555aa14a68
13286a2001b4
141511dacdb2
15aec38b608
hex68e7cc9f0

28160346608 has 20 divisors (see below), whose sum is σ = 56932875408. Its totient is φ = 13467991680.

The previous prime is 28160346607. The next prime is 28160346619. The reversal of 28160346608 is 80664306182.

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28160346601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38260973 + ... + 38261708.

Almost surely, 228160346608 is an apocalyptic number.

It is an amenable number.

28160346608 is an abundant number, since it is smaller than the sum of its proper divisors (28772528800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28160346608 is a wasteful number, since it uses less digits than its factorization.

28160346608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76522712 (or 76522706 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 28160346608 in words is "twenty-eight billion, one hundred sixty million, three hundred forty-six thousand, six hundred eight".

Divisors: 1 2 4 8 16 23 46 92 184 368 76522681 153045362 306090724 612181448 1224362896 1760021663 3520043326 7040086652 14080173304 28160346608