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28083536285 = 574318660157
BaseRepresentation
bin11010001001111010…
…001100000110011101
32200111012010110101112
4122021322030012131
5430003341130120
620522411351405
72012636056040
oct321172140635
980435113345
1028083536285
1110a01473522
125539152565
1328573188bc
141505ad6c57
15ae5767bc5
hex689e8c19d

28083536285 has 16 divisors (see below), whose sum is σ = 39410253696. Its totient is φ = 18809437248.

The previous prime is 28083536269. The next prime is 28083536293. The reversal of 28083536285 is 58263538082.

It is not a de Polignac number, because 28083536285 - 24 = 28083536269 is a prime.

It is a Duffinian number.

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 in 15 ways as a sum of consecutive naturals, for example, 9328574 + ... + 9331583.

It is an arithmetic number, because the mean of its divisors is an integer number (2463140856).

Almost surely, 228083536285 is an apocalyptic number.

It is an amenable number.

28083536285 is a deficient number, since it is larger than the sum of its proper divisors (11326717411).

28083536285 is a wasteful number, since it uses less digits than its factorization.

28083536285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18660212.

The product of its (nonzero) digits is 2764800, while the sum is 50.

The spelling of 28083536285 in words is "twenty-eight billion, eighty-three million, five hundred thirty-six thousand, two hundred eighty-five".

Divisors: 1 5 7 35 43 215 301 1505 18660157 93300785 130621099 653105495 802386751 4011933755 5616707257 28083536285