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28275365984 = 25883605187
BaseRepresentation
bin11010010101010101…
…111101100001100000
32200222120002102021012
4122111111331201200
5430401443202414
620553423120052
72020455434225
oct322525754140
980876072235
1028275365984
1110a9a785a68
125591443028
132887ca20b8
14152338d94c
15b0750b33e
hex69557d860

28275365984 has 12 divisors (see below), whose sum is σ = 55667126844. Its totient is φ = 14137682976.

The previous prime is 28275365977. The next prime is 28275366029. The reversal of 28275365984 is 48956357282.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 441802562 + ... + 441802625.

It is an arithmetic number, because the mean of its divisors is an integer number (4638927237).

Almost surely, 228275365984 is an apocalyptic number.

It is an amenable number.

28275365984 is a deficient number, since it is larger than the sum of its proper divisors (27391760860).

28275365984 is an equidigital number, since it uses as much as digits as its factorization.

28275365984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883605197 (or 883605189 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 59.

The spelling of 28275365984 in words is "twenty-eight billion, two hundred seventy-five million, three hundred sixty-five thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 16 32 883605187 1767210374 3534420748 7068841496 14137682992 28275365984