Base | Representation |
---|---|
bin | 1000000100111111… |
… | …0101010100100111 |
3 | 12121010020201021111 |
4 | 2001033311110213 |
5 | 13420103131211 |
6 | 555100325451 |
7 | 104510123134 |
oct | 20117652447 |
9 | 5533221244 |
10 | 2168411431 |
11 | a1301466a |
12 | 506243887 |
13 | 2873215b4 |
14 | 167db758b |
15 | ca57c421 |
hex | 813f5527 |
2168411431 has 2 divisors, whose sum is σ = 2168411432. Its totient is φ = 2168411430.
The previous prime is 2168411417. The next prime is 2168411473. The reversal of 2168411431 is 1341148612.
2168411431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2168411431 - 227 = 2034193703 is a prime.
It is a super-2 number, since 2×21684114312 = 9404016268182935522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2168411393 and 2168411402.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2160411431) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1084205715 + 1084205716.
It is an arithmetic number, because the mean of its divisors is an integer number (1084205716).
Almost surely, 22168411431 is an apocalyptic number.
2168411431 is a deficient number, since it is larger than the sum of its proper divisors (1).
2168411431 is an equidigital number, since it uses as much as digits as its factorization.
2168411431 is an evil number, because the sum of its binary digits is even.
The product of its digits is 4608, while the sum is 31.
The square root of 2168411431 is about 46566.2048163687. The cubic root of 2168411431 is about 1294.3365923716.
The spelling of 2168411431 in words is "two billion, one hundred sixty-eight million, four hundred eleven thousand, four hundred thirty-one".
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