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28085974370 = 255867478711
BaseRepresentation
bin11010001010000011…
…011111010101100010
32200111100201022210222
4122022003133111202
5430010002134440
620522535523042
72012665562126
oct321203372542
980440638728
1028085974370
1110a02889273
125539b29482
13285799055c
14150616d586
15ae5a9a2b5
hex68a0df562

28085974370 has 16 divisors (see below), whose sum is σ = 50563476288. Its totient is φ = 11232451440.

The previous prime is 28085974309. The next prime is 28085974421. The reversal of 28085974370 is 7347958082.

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 7 ways as a sum of consecutive naturals, for example, 180686 + ... + 298025.

It is an arithmetic number, because the mean of its divisors is an integer number (3160217268).

Almost surely, 228085974370 is an apocalyptic number.

28085974370 is a deficient number, since it is larger than the sum of its proper divisors (22477501918).

28085974370 is a wasteful number, since it uses less digits than its factorization.

28085974370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484585.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 28085974370 in words is "twenty-eight billion, eighty-five million, nine hundred seventy-four thousand, three hundred seventy".

Divisors: 1 2 5 10 5867 11734 29335 58670 478711 957422 2393555 4787110 2808597437 5617194874 14042987185 28085974370