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28879168324 = 2256312823787
BaseRepresentation
bin11010111001010101…
…010010001101000100
32202112122020202100211
4122321111102031010
5433121031341244
621133352445204
72041436611006
oct327125221504
982478222324
1028879168324
111127a5a0666
12571b6a9804
1329530cc5a6
14157d646376
15b4052a934
hex6b9552344

28879168324 has 12 divisors (see below), whose sum is σ = 50628315024. Its totient is φ = 14413935464.

The previous prime is 28879168303. The next prime is 28879168369. The reversal of 28879168324 is 42386197882.

It is a happy number.

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, 6409642 + ... + 6414145.

It is an arithmetic number, because the mean of its divisors is an integer number (4219026252).

Almost surely, 228879168324 is an apocalyptic number.

It is an amenable number.

28879168324 is a deficient number, since it is larger than the sum of its proper divisors (21749146700).

28879168324 is a wasteful number, since it uses less digits than its factorization.

28879168324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12824354 (or 12824352 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 58.

The spelling of 28879168324 in words is "twenty-eight billion, eight hundred seventy-nine million, one hundred sixty-eight thousand, three hundred twenty-four".

Divisors: 1 2 4 563 1126 2252 12823787 25647574 51295148 7219792081 14439584162 28879168324