Base | Representation |
---|---|
bin | 101000010111100000… |
… | …1100100011001010011 |
3 | 22021202110022012222001 |
4 | 1100233001210121103 |
5 | 2410014200130131 |
6 | 103453554454431 |
7 | 6156134163355 |
oct | 1205701443123 |
9 | 267673265861 |
10 | 86688286291 |
11 | 33845306612 |
12 | 14973894417 |
13 | 823699b379 |
14 | 42a51530d5 |
15 | 23c5763261 |
hex | 142f064653 |
86688286291 has 2 divisors, whose sum is σ = 86688286292. Its totient is φ = 86688286290.
The previous prime is 86688286219. The next prime is 86688286313. The reversal of 86688286291 is 19268288668.
Together with previous prime (86688286219) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 86688286291 - 233 = 78098351699 is a prime.
It is not a weakly prime, because it can be changed into another prime (86688287291) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43344143145 + 43344143146.
It is an arithmetic number, because the mean of its divisors is an integer number (43344143146).
Almost surely, 286688286291 is an apocalyptic number.
86688286291 is a deficient number, since it is larger than the sum of its proper divisors (1).
86688286291 is an equidigital number, since it uses as much as digits as its factorization.
86688286291 is an evil number, because the sum of its binary digits is even.
The product of its digits is 31850496, while the sum is 64.
The spelling of 86688286291 in words is "eighty-six billion, six hundred eighty-eight million, two hundred eighty-six thousand, two hundred ninety-one".
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