Base | Representation |
---|---|
bin | 1100010101110011101… |
… | …0011001100000110011 |
3 | 202021020111101012010111 |
4 | 3011130322121200303 |
5 | 11433200111211402 |
6 | 241221433242151 |
7 | 21213601024036 |
oct | 3053472314063 |
9 | 667214335114 |
10 | 212012210227 |
11 | 81a06402574 |
12 | 3510a563357 |
13 | 16cb9b6a58c |
14 | a39359b01d |
15 | 57acd079d7 |
hex | 315ce99833 |
212012210227 has 2 divisors, whose sum is σ = 212012210228. Its totient is φ = 212012210226.
The previous prime is 212012210213. The next prime is 212012210297. The reversal of 212012210227 is 722012210212.
212012210227 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 212012210227 - 215 = 212012177459 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 212012210198 and 212012210207.
It is not a weakly prime, because it can be changed into another prime (212012210297) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006105113 + 106006105114.
It is an arithmetic number, because the mean of its divisors is an integer number (106006105114).
Almost surely, 2212012210227 is an apocalyptic number.
212012210227 is a deficient number, since it is larger than the sum of its proper divisors (1).
212012210227 is an equidigital number, since it uses as much as digits as its factorization.
212012210227 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 448, while the sum is 22.
Adding to 212012210227 its reverse (722012210212), we get a palindrome (934024420439).
The spelling of 212012210227 in words is "two hundred twelve billion, twelve million, two hundred ten thousand, two hundred twenty-seven".
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