Base | Representation |
---|---|
bin | 10001101001000011010… |
… | …111110101111101111011 |
3 | 11021220012001012212002112 |
4 | 101221003113311331323 |
5 | 124330303120220212 |
6 | 2324532242122535 |
7 | 153405125223455 |
oct | 21510327657573 |
9 | 4256161185075 |
10 | 1212311101307 |
11 | 428158014789 |
12 | 176b5465044b |
13 | 8a422036237 |
14 | 429675a92d5 |
15 | 2180590e422 |
hex | 11a435f5f7b |
1212311101307 has 2 divisors, whose sum is σ = 1212311101308. Its totient is φ = 1212311101306.
The previous prime is 1212311101279. The next prime is 1212311101319. The reversal of 1212311101307 is 7031011132121.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1212311101307 - 234 = 1195131232123 is a prime.
It is not a weakly prime, because it can be changed into another prime (1212311101007) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606155550653 + 606155550654.
It is an arithmetic number, because the mean of its divisors is an integer number (606155550654).
Almost surely, 21212311101307 is an apocalyptic number.
1212311101307 is a deficient number, since it is larger than the sum of its proper divisors (1).
1212311101307 is an equidigital number, since it uses as much as digits as its factorization.
1212311101307 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 252, while the sum is 23.
Adding to 1212311101307 its reverse (7031011132121), we get a palindrome (8243322233428).
The spelling of 1212311101307 in words is "one trillion, two hundred twelve billion, three hundred eleven million, one hundred one thousand, three hundred seven".
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