Base | Representation |
---|---|
bin | 10110110010000100… |
… | …00001010101100011 |
3 | 1011120102000021200212 |
4 | 23121002001111203 |
5 | 200022131321402 |
6 | 5341403204335 |
7 | 612045543434 |
oct | 133102012543 |
9 | 34512007625 |
10 | 12231120227 |
11 | 520716a727 |
12 | 24542166ab |
13 | 11cbcc6961 |
14 | 8405c148b |
15 | 4b8bc5952 |
hex | 2d9081563 |
12231120227 has 2 divisors, whose sum is σ = 12231120228. Its totient is φ = 12231120226.
The previous prime is 12231120197. The next prime is 12231120233. The reversal of 12231120227 is 72202113221.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12231120227 - 216 = 12231054691 is a prime.
It is not a weakly prime, because it can be changed into another prime (12231120427) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115560113 + 6115560114.
It is an arithmetic number, because the mean of its divisors is an integer number (6115560114).
Almost surely, 212231120227 is an apocalyptic number.
12231120227 is a deficient number, since it is larger than the sum of its proper divisors (1).
12231120227 is an equidigital number, since it uses as much as digits as its factorization.
12231120227 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 672, while the sum is 23.
Adding to 12231120227 its reverse (72202113221), we get a palindrome (84433233448).
The spelling of 12231120227 in words is "twelve billion, two hundred thirty-one million, one hundred twenty thousand, two hundred twenty-seven".
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