Base | Representation |
---|---|
bin | 1100001111001000110… |
… | …1101111111111110011 |
3 | 202002121202000020021112 |
4 | 3003302031233333303 |
5 | 11421013330332242 |
6 | 240324045343535 |
7 | 21121333354616 |
oct | 3036215577763 |
9 | 662552006245 |
10 | 210222120947 |
11 | 811779a7a43 |
12 | 348aab67bab |
13 | 16a9303a557 |
14 | a26394417d |
15 | 5705aaac82 |
hex | 30f236fff3 |
210222120947 has 2 divisors, whose sum is σ = 210222120948. Its totient is φ = 210222120946.
The previous prime is 210222120943. The next prime is 210222120949. The reversal of 210222120947 is 749021222012.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 210222120947 - 22 = 210222120943 is a prime.
Together with 210222120949, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (210222120943) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105111060473 + 105111060474.
It is an arithmetic number, because the mean of its divisors is an integer number (105111060474).
Almost surely, 2210222120947 is an apocalyptic number.
210222120947 is a deficient number, since it is larger than the sum of its proper divisors (1).
210222120947 is an equidigital number, since it uses as much as digits as its factorization.
210222120947 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 8064, while the sum is 32.
Adding to 210222120947 its reverse (749021222012), we get a palindrome (959243342959).
The spelling of 210222120947 in words is "two hundred ten billion, two hundred twenty-two million, one hundred twenty thousand, nine hundred forty-seven".
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