Base | Representation |
---|---|
bin | 11010000101010010… |
… | …101101111000001000 |
3 | 2200021210101021100112 |
4 | 122011102231320020 |
5 | 424324024030013 |
6 | 20511003253452 |
7 | 2011005516014 |
oct | 320522557010 |
9 | 80253337315 |
10 | 28006080008 |
11 | 1097177a475 |
12 | 551721a288 |
13 | 284426929a |
14 | 14d96d3544 |
15 | adda67ba8 |
hex | 6854ade08 |
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".
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