Base | Representation |
---|---|
bin | 111100001101001… |
… | …1111110100101011 |
3 | 12012210101101220002 |
4 | 1320122133310223 |
5 | 13114133241021 |
6 | 532244053215 |
7 | 101030342636 |
oct | 17032376453 |
9 | 5183341802 |
10 | 2020212011 |
11 | 9473a2204 |
12 | 48469420b |
13 | 26270312c |
14 | 15243ac1d |
15 | bc55650b |
hex | 7869fd2b |
2020212011 has 2 divisors, whose sum is σ = 2020212012. Its totient is φ = 2020212010.
The previous prime is 2020211957. The next prime is 2020212013. The reversal of 2020212011 is 1102120202.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2020212011 - 226 = 1953103147 is a prime.
It is a Sophie Germain prime.
Together with 2020212013, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 2020211983 and 2020212001.
It is not a weakly prime, because it can be changed into another prime (2020212013) 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, 1010106005 + 1010106006.
It is an arithmetic number, because the mean of its divisors is an integer number (1010106006).
Almost surely, 22020212011 is an apocalyptic number.
2020212011 is a deficient number, since it is larger than the sum of its proper divisors (1).
2020212011 is an equidigital number, since it uses as much as digits as its factorization.
2020212011 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 16, while the sum is 11.
The square root of 2020212011 is about 44946.7686380234. The cubic root of 2020212011 is about 1264.1510884911.
Adding to 2020212011 its reverse (1102120202), we get a palindrome (3122332213).
The spelling of 2020212011 in words is "two billion, twenty million, two hundred twelve thousand, eleven".
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