Base | Representation |
---|---|
bin | 1100010101110011110… |
… | …1110101111111000111 |
3 | 202021020120002001220011 |
4 | 3011130331311333013 |
5 | 11433200324111122 |
6 | 241221504451051 |
7 | 21213611504623 |
oct | 3053475657707 |
9 | 667216061804 |
10 | 212013113287 |
11 | 81a06969aa8 |
12 | 3510a919a87 |
13 | 16cba0c5631 |
14 | a393754183 |
15 | 57ace35377 |
hex | 315cf75fc7 |
212013113287 has 2 divisors, whose sum is σ = 212013113288. Its totient is φ = 212013113286.
The previous prime is 212013113267. The next prime is 212013113329. The reversal of 212013113287 is 782311310212.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 212013113287 - 27 = 212013113159 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (212013113237) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006556643 + 106006556644.
It is an arithmetic number, because the mean of its divisors is an integer number (106006556644).
Almost surely, 2212013113287 is an apocalyptic number.
212013113287 is a deficient number, since it is larger than the sum of its proper divisors (1).
212013113287 is an equidigital number, since it uses as much as digits as its factorization.
212013113287 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4032, while the sum is 31.
Adding to 212013113287 its reverse (782311310212), we get a palindrome (994324423499).
The spelling of 212013113287 in words is "two hundred twelve billion, thirteen million, one hundred thirteen thousand, two hundred eighty-seven".
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