Base | Representation |
---|---|
bin | 100101010101110000… |
… | …0101000000110010110 |
3 | 21122222100201221212101 |
4 | 1022223200220012112 |
5 | 2303210314234433 |
6 | 100500510512314 |
7 | 5536051063420 |
oct | 1125340500626 |
9 | 248870657771 |
10 | 80186868118 |
11 | 3100943a945 |
12 | 1365a50569a |
13 | 773ba71b76 |
14 | 3c498dd810 |
15 | 2144ad207d |
hex | 12ab828196 |
80186868118 has 32 divisors (see below), whose sum is σ = 137737221120. Its totient is φ = 34297369920.
The previous prime is 80186868089. The next prime is 80186868137. The reversal of 80186868118 is 81186868108.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26988373 + ... + 26991343.
It is an arithmetic number, because the mean of its divisors is an integer number (4304288160).
Almost surely, 280186868118 is an apocalyptic number.
80186868118 is a deficient number, since it is larger than the sum of its proper divisors (57550353002).
80186868118 is a wasteful number, since it uses less digits than its factorization.
80186868118 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6172.
The product of its (nonzero) digits is 1179648, while the sum is 55.
The spelling of 80186868118 in words is "eighty billion, one hundred eighty-six million, eight hundred sixty-eight thousand, one hundred eighteen".
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