Base | Representation |
---|---|
bin | 1111000100000011… |
… | …11011010010101101 |
3 | 202212121100102100102 |
4 | 13202001323102231 |
5 | 113030300414432 |
6 | 3414251040445 |
7 | 404256261263 |
oct | 74201732255 |
9 | 22777312312 |
10 | 8087123117 |
11 | 347aa74327 |
12 | 1698440125 |
13 | 9bb5c8768 |
14 | 56a0a6433 |
15 | 324ea9962 |
hex | 1e207b4ad |
8087123117 has 2 divisors, whose sum is σ = 8087123118. Its totient is φ = 8087123116.
The previous prime is 8087123089. The next prime is 8087123147. The reversal of 8087123117 is 7113217808.
8087123117 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 8065117636 + 22005481 = 89806^2 + 4691^2 .
It is a cyclic number.
It is not a de Polignac number, because 8087123117 - 210 = 8087122093 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (8087123147) by changing a digit.
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 as a sum of consecutive naturals, namely, 4043561558 + 4043561559.
It is an arithmetic number, because the mean of its divisors is an integer number (4043561559).
Almost surely, 28087123117 is an apocalyptic number.
It is an amenable number.
8087123117 is a deficient number, since it is larger than the sum of its proper divisors (1).
8087123117 is an equidigital number, since it uses as much as digits as its factorization.
8087123117 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 18816, while the sum is 38.
The square root of 8087123117 is about 89928.4333067134. The cubic root of 8087123117 is about 2007.2340623732.
The spelling of 8087123117 in words is "eight billion, eighty-seven million, one hundred twenty-three thousand, one hundred seventeen".
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