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28313543976 = 2331179730999
BaseRepresentation
bin11010010111100111…
…100110010100101000
32201002012221001121220
4122113213212110220
5430441231401401
621001305302040
72021431103304
oct322747462450
981065831556
1028313543976
111100a291723
1255a2194920
132892b7b523
14152848ad04
15b0aa4d336
hex6979e6528

28313543976 has 16 divisors (see below), whose sum is σ = 70783860000. Its totient is φ = 9437847984.

The previous prime is 28313543971. The next prime is 28313543977. The reversal of 28313543976 is 67934531382.

It is not an unprimeable number, because it can be changed into a prime (28313543971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589865476 + ... + 589865523.

It is an arithmetic number, because the mean of its divisors is an integer number (4423991250).

Almost surely, 228313543976 is an apocalyptic number.

It is an amenable number.

28313543976 is an abundant number, since it is smaller than the sum of its proper divisors (42470316024).

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

28313543976 is a wasteful number, since it uses less digits than its factorization.

28313543976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179731008 (or 1179731004 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 51.

The spelling of 28313543976 in words is "twenty-eight billion, three hundred thirteen million, five hundred forty-three thousand, nine hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 24 1179730999 2359461998 3539192997 4718923996 7078385994 9437847992 14156771988 28313543976