Base | Representation |
---|---|
bin | 10110100110010000… |
… | …11010000110011011 |
3 | 1011022111202010022121 |
4 | 23103020122012123 |
5 | 144321311144402 |
6 | 5323505402111 |
7 | 606434261656 |
oct | 132310320633 |
9 | 34274663277 |
10 | 12132131227 |
11 | 51662a9837 |
12 | 2427039337 |
13 | 11b4648398 |
14 | 8313b489d |
15 | 4b0170837 |
hex | 2d321a19b |
12132131227 has 2 divisors, whose sum is σ = 12132131228. Its totient is φ = 12132131226.
The previous prime is 12132131203. The next prime is 12132131257. The reversal of 12132131227 is 72213123121.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12132131227 - 211 = 12132129179 is a prime.
It is not a weakly prime, because it can be changed into another prime (12132131257) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066065613 + 6066065614.
It is an arithmetic number, because the mean of its divisors is an integer number (6066065614).
Almost surely, 212132131227 is an apocalyptic number.
12132131227 is a deficient number, since it is larger than the sum of its proper divisors (1).
12132131227 is an equidigital number, since it uses as much as digits as its factorization.
12132131227 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1008, while the sum is 25.
Adding to 12132131227 its reverse (72213123121), we get a palindrome (84345254348).
The spelling of 12132131227 in words is "twelve billion, one hundred thirty-two million, one hundred thirty-one thousand, two hundred twenty-seven".
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