Base | Representation |
---|---|
bin | 1000001100110011… |
… | …1111100001010111 |
3 | 12200101222121211101 |
4 | 2003030333201113 |
5 | 14002003034312 |
6 | 1002231450531 |
7 | 105356033353 |
oct | 20314774127 |
9 | 5611877741 |
10 | 2201221207 |
11 | a2a594089 |
12 | 515226a47 |
13 | 29106b473 |
14 | 16c4b8463 |
15 | cd3ada57 |
hex | 8333f857 |
2201221207 has 2 divisors, whose sum is σ = 2201221208. Its totient is φ = 2201221206.
The previous prime is 2201221201. The next prime is 2201221223. The reversal of 2201221207 is 7021221022.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2201221207 - 23 = 2201221199 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2201221201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100610603 + 1100610604.
It is an arithmetic number, because the mean of its divisors is an integer number (1100610604).
Almost surely, 22201221207 is an apocalyptic number.
2201221207 is a deficient number, since it is larger than the sum of its proper divisors (1).
2201221207 is an equidigital number, since it uses as much as digits as its factorization.
2201221207 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 224, while the sum is 19.
The square root of 2201221207 is about 46917.1739025274. The cubic root of 2201221207 is about 1300.8320525462.
Adding to 2201221207 its reverse (7021221022), we get a palindrome (9222442229).
The spelling of 2201221207 in words is "two billion, two hundred one million, two hundred twenty-one thousand, two hundred seven".
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