Base | Representation |
---|---|
bin | 1000010001010010… |
… | …1011001010110011 |
3 | 12201201100022020111 |
4 | 2010110223022303 |
5 | 14021310342321 |
6 | 1004142322151 |
7 | 106004535544 |
oct | 20424531263 |
9 | 5651308214 |
10 | 2220012211 |
11 | a3a15903a |
12 | 51b589357 |
13 | 294c1a4c1 |
14 | 170baa4cb |
15 | ced715e1 |
hex | 8452b2b3 |
2220012211 has 2 divisors, whose sum is σ = 2220012212. Its totient is φ = 2220012210.
The previous prime is 2220012209. The next prime is 2220012227. The reversal of 2220012211 is 1122100222.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2220012211 - 21 = 2220012209 is a prime.
Together with 2220012209, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 2220012191 and 2220012200.
It is not a weakly prime, because it can be changed into another prime (2220012511) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110006105 + 1110006106.
It is an arithmetic number, because the mean of its divisors is an integer number (1110006106).
Almost surely, 22220012211 is an apocalyptic number.
2220012211 is a deficient number, since it is larger than the sum of its proper divisors (1).
2220012211 is an equidigital number, since it uses as much as digits as its factorization.
2220012211 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 2220012211 is about 47117.0055394016. The cubic root of 2220012211 is about 1304.5231418333.
Adding to 2220012211 its reverse (1122100222), we get a palindrome (3342112433).
The spelling of 2220012211 in words is "two billion, two hundred twenty million, twelve thousand, two hundred eleven".
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