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28338877834 = 219745759943
BaseRepresentation
bin11010011001001000…
…001111010110001010
32201010222121011010221
4122121020033112022
5431014223042314
621004012300254
72022156326041
oct323110172612
981128534127
1028338877834
11110226153a3
1255aa77168a
1328981ab687
14152b9a3558
15b0cda4824
hex69920f58a

28338877834 has 8 divisors (see below), whose sum is σ = 44745596640. Its totient is φ = 13423678956.

The previous prime is 28338877811. The next prime is 28338877843. The reversal of 28338877834 is 43877883382.

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

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, 372879934 + ... + 372880009.

It is an arithmetic number, because the mean of its divisors is an integer number (5593199580).

Almost surely, 228338877834 is an apocalyptic number.

28338877834 is a deficient number, since it is larger than the sum of its proper divisors (16406718806).

28338877834 is a wasteful number, since it uses less digits than its factorization.

28338877834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745759964.

The product of its digits is 43352064, while the sum is 61.

The spelling of 28338877834 in words is "twenty-eight billion, three hundred thirty-eight million, eight hundred seventy-seven thousand, eight hundred thirty-four".

Divisors: 1 2 19 38 745759943 1491519886 14169438917 28338877834