Base | Representation |
---|---|
bin | 11101010001000110000… |
… | …100010001110001001111 |
3 | 21010021022101200010122002 |
4 | 131101012010101301033 |
5 | 230422434334033012 |
6 | 4135535233142515 |
7 | 265206624544454 |
oct | 35210604216117 |
9 | 7107271603562 |
10 | 2011220221007 |
11 | 705a54422a08 |
12 | 2859556baa3b |
13 | 117870ca5bba |
14 | 6d4b4ac782b |
15 | 374b306c7c2 |
hex | 1d446111c4f |
2011220221007 has 2 divisors, whose sum is σ = 2011220221008. Its totient is φ = 2011220221006.
The previous prime is 2011220221001. The next prime is 2011220221009. The reversal of 2011220221007 is 7001220221102.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2011220221007 - 26 = 2011220220943 is a prime.
Together with 2011220221009, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2011220221007.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2011220221001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005610110503 + 1005610110504.
It is an arithmetic number, because the mean of its divisors is an integer number (1005610110504).
Almost surely, 22011220221007 is an apocalyptic number.
2011220221007 is a deficient number, since it is larger than the sum of its proper divisors (1).
2011220221007 is an equidigital number, since it uses as much as digits as its factorization.
2011220221007 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 2011220221007 its reverse (7001220221102), we get a palindrome (9012440442109).
The spelling of 2011220221007 in words is "two trillion, eleven billion, two hundred twenty million, two hundred twenty-one thousand, seven".
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