Base | Representation |
---|---|
bin | 1000010101111010000… |
… | …11010100000111000001 |
3 | 1000101212101222121010121 |
4 | 10022331003110013001 |
5 | 14144014214313121 |
6 | 335402545300241 |
7 | 26465124302101 |
oct | 4127503240701 |
9 | 1011771877117 |
10 | 286639604161 |
11 | 100621647149 |
12 | 47677034681 |
13 | 21050ba3c41 |
14 | dc329a1201 |
15 | 76c97bd141 |
hex | 42bd0d41c1 |
286639604161 has 2 divisors, whose sum is σ = 286639604162. Its totient is φ = 286639604160.
The previous prime is 286639604131. The next prime is 286639604171. The reversal of 286639604161 is 161406936682.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 279253061136 + 7386543025 = 528444^2 + 85945^2 .
It is a cyclic number.
It is not a de Polignac number, because 286639604161 - 217 = 286639473089 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 286639604099 and 286639604108.
It is not a weakly prime, because it can be changed into another prime (286639604131) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143319802080 + 143319802081.
It is an arithmetic number, because the mean of its divisors is an integer number (143319802081).
Almost surely, 2286639604161 is an apocalyptic number.
It is an amenable number.
286639604161 is a deficient number, since it is larger than the sum of its proper divisors (1).
286639604161 is an equidigital number, since it uses as much as digits as its factorization.
286639604161 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2239488, while the sum is 52.
The spelling of 286639604161 in words is "two hundred eighty-six billion, six hundred thirty-nine million, six hundred four thousand, one hundred sixty-one".
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