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28340025834 = 2331193151423
BaseRepresentation
bin11010011001001100…
…100111100111101010
32201011001202110220110
4122121030213213222
5431020021311314
621004053035150
72022202150011
oct323114474752
981131673813
1028340025834
111102322995a
1255ab025ab6
1328984c1073
14152bbc1a78
15b0d02ea59
hex6993279ea

28340025834 has 16 divisors (see below), whose sum is σ = 56682243072. Its totient is φ = 9446310048.

The previous prime is 28340025823. The next prime is 28340025841. The reversal of 28340025834 is 43852004382.

It is a junction number, because it is equal to n+sod(n) for n = 28340025792 and 28340025801.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 111447 + ... + 262869.

It is an arithmetic number, because the mean of its divisors is an integer number (3542640192).

Almost surely, 228340025834 is an apocalyptic number.

28340025834 is an abundant number, since it is smaller than the sum of its proper divisors (28342217238).

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

28340025834 is a wasteful number, since it uses less digits than its factorization.

28340025834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182621.

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 28340025834 in words is "twenty-eight billion, three hundred forty million, twenty-five thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 31193 62386 93579 151423 187158 302846 454269 908538 4723337639 9446675278 14170012917 28340025834