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28053085274 = 281131095563
BaseRepresentation
bin11010001000000110…
…000001110001011010
32200102001211101110022
4122020012001301122
5424423042212044
620515402550442
72012116201424
oct321006016132
980361741408
1028053085274
11109962651a5
12552ab08422
132850c16556
141501a4b814
15ae2c503ee
hex688181c5a

28053085274 has 16 divisors (see below), whose sum is σ = 42152641440. Its totient is φ = 14002223760.

The previous prime is 28053085213. The next prime is 28053085283. The reversal of 28053085274 is 47258035082.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5040017 + ... + 5045579.

It is an arithmetic number, because the mean of its divisors is an integer number (2634540090).

Almost surely, 228053085274 is an apocalyptic number.

28053085274 is a deficient number, since it is larger than the sum of its proper divisors (14099556166).

28053085274 is a wasteful number, since it uses less digits than its factorization.

28053085274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9485.

The product of its (nonzero) digits is 537600, while the sum is 44.

The spelling of 28053085274 in words is "twenty-eight billion, fifty-three million, eighty-five thousand, two hundred seventy-four".

Divisors: 1 2 811 1622 3109 5563 6218 11126 2521399 4511593 5042798 9023186 17295367 34590734 14026542637 28053085274