Base | Representation |
---|---|
bin | 10110101111100100… |
… | …10000010110110011 |
3 | 1011111221122221120102 |
4 | 23113302100112303 |
5 | 200001303211402 |
6 | 5335335103015 |
7 | 611403034355 |
oct | 132762202663 |
9 | 34457587512 |
10 | 12210210227 |
11 | 51a6388736 |
12 | 2449211a6b |
13 | 11c7885287 |
14 | 83b8db0d5 |
15 | 4b6e45102 |
hex | 2d7c905b3 |
12210210227 has 2 divisors, whose sum is σ = 12210210228. Its totient is φ = 12210210226.
The previous prime is 12210210151. The next prime is 12210210247. The reversal of 12210210227 is 72201201221.
It is an a-pointer prime, because the next prime (12210210247) can be obtained adding 12210210227 to its sum of digits (20).
It is a strong prime.
It is an emirp because it is prime and its reverse (72201201221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12210210227 - 212 = 12210206131 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12210210199 and 12210210208.
It is not a weakly prime, because it can be changed into another prime (12210210247) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105105113 + 6105105114.
It is an arithmetic number, because the mean of its divisors is an integer number (6105105114).
Almost surely, 212210210227 is an apocalyptic number.
12210210227 is a deficient number, since it is larger than the sum of its proper divisors (1).
12210210227 is an equidigital number, since it uses as much as digits as its factorization.
12210210227 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 224, while the sum is 20.
Adding to 12210210227 its reverse (72201201221), we get a palindrome (84411411448).
The spelling of 12210210227 in words is "twelve billion, two hundred ten million, two hundred ten thousand, two hundred twenty-seven".
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