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28022683904 = 28124987641
BaseRepresentation
bin11010000110010010…
…000011100100000000
32200022221121211121122
4122012102003210000
5424342301341104
620512355211412
72011266611615
oct320622034400
980287554548
1028022683904
11109800901a6
1255208a6b68
132847830987
1414db9b650c
15ae02476be
hex686483900

28022683904 has 36 divisors (see below), whose sum is σ = 55981327500. Its totient is φ = 13999964160.

The previous prime is 28022683891. The next prime is 28022683939. The reversal of 28022683904 is 40938622082.

It can be written as a sum of positive squares in 2 ways, for example, as 22605723904 + 5416960000 = 150352^2 + 73600^2 .

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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275924 + ... + 363564.

It is an arithmetic number, because the mean of its divisors is an integer number (1555036875).

Almost surely, 228022683904 is an apocalyptic number.

It is an amenable number.

28022683904 is a deficient number, since it is larger than the sum of its proper divisors (27958643596).

28022683904 is an equidigital number, since it uses as much as digits as its factorization.

28022683904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88906 (or 88892 counting only the distinct ones).

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

The spelling of 28022683904 in words is "twenty-eight billion, twenty-two million, six hundred eighty-three thousand, nine hundred four".

Divisors: 1 2 4 8 16 32 64 128 256 1249 2498 4996 9992 19984 39968 79936 87641 159872 175282 319744 350564 701128 1402256 2804512 5609024 11218048 22436096 109463609 218927218 437854436 875708872 1751417744 3502835488 7005670976 14011341952 28022683904