Base | Representation |
---|---|
bin | 111111001011100… |
… | …1111100011000011 |
3 | 12110202012021202011 |
4 | 1332113033203003 |
5 | 13320211202321 |
6 | 550211233351 |
7 | 103351614526 |
oct | 17627174303 |
9 | 5422167664 |
10 | 2120022211 |
11 | 99877407a |
12 | 4b1ba8857 |
13 | 27a2ab418 |
14 | 1617bcbbd |
15 | c61beae1 |
hex | 7e5cf8c3 |
2120022211 has 2 divisors, whose sum is σ = 2120022212. Its totient is φ = 2120022210.
The previous prime is 2120022193. The next prime is 2120022221. The reversal of 2120022211 is 1122200212.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2120022211 - 29 = 2120021699 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2120022191 and 2120022200.
It is not a weakly prime, because it can be changed into another prime (2120022221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060011105 + 1060011106.
It is an arithmetic number, because the mean of its divisors is an integer number (1060011106).
Almost surely, 22120022211 is an apocalyptic number.
2120022211 is a deficient number, since it is larger than the sum of its proper divisors (1).
2120022211 is an equidigital number, since it uses as much as digits as its factorization.
2120022211 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 2120022211 is about 46043.6989283007. The cubic root of 2120022211 is about 1284.6361440103.
Adding to 2120022211 its reverse (1122200212), we get a palindrome (3242222423).
The spelling of 2120022211 in words is "two billion, one hundred twenty million, twenty-two thousand, two hundred eleven".
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