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28006080008 = 23113251123427
BaseRepresentation
bin11010000101010010…
…101101111000001000
32200021210101021100112
4122011102231320020
5424324024030013
620511003253452
72011005516014
oct320522557010
980253337315
1028006080008
111097177a475
12551721a288
13284426929a
1414d96d3544
15adda67ba8
hex6854ade08

28006080008 has 32 divisors (see below), whose sum is σ = 53187593760. Its totient is φ = 13823712000.

The previous prime is 28006079977. The next prime is 28006080023. The reversal of 28006080008 is 80008060082.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165191 + ... + 288617.

It is an arithmetic number, because the mean of its divisors is an integer number (1662112305).

Almost surely, 228006080008 is an apocalyptic number.

It is an amenable number.

28006080008 is a deficient number, since it is larger than the sum of its proper divisors (25181513752).

28006080008 is a wasteful number, since it uses less digits than its factorization.

28006080008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123797 (or 123793 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The spelling of 28006080008 in words is "twenty-eight billion, six million, eighty thousand, eight".

Divisors: 1 2 4 8 113 226 251 452 502 904 1004 2008 28363 56726 113452 123427 226904 246854 493708 987416 13947251 27894502 30980177 55789004 61960354 111578008 123920708 247841416 3500760001 7001520002 14003040004 28006080008