Base | Representation |
---|---|
bin | 10001110010000110001… |
… | …001000000111101001111 |
3 | 11022211020202112002212112 |
4 | 101302012021000331033 |
5 | 130010144413102343 |
6 | 2333215551454235 |
7 | 154200553001054 |
oct | 21620611007517 |
9 | 4284222462775 |
10 | 1222021222223 |
11 | 4312901382aa |
12 | 178a0452737b |
13 | 8b30b95a509 |
14 | 4320903102b |
15 | 21bc310c218 |
hex | 11c86240f4f |
1222021222223 has 2 divisors, whose sum is σ = 1222021222224. Its totient is φ = 1222021222222.
The previous prime is 1222021222211. The next prime is 1222021222241. The reversal of 1222021222223 is 3222221202221.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1222021222223 - 26 = 1222021222159 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1222021242223) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611010611111 + 611010611112.
It is an arithmetic number, because the mean of its divisors is an integer number (611010611112).
Almost surely, 21222021222223 is an apocalyptic number.
1222021222223 is a deficient number, since it is larger than the sum of its proper divisors (1).
1222021222223 is an equidigital number, since it uses as much as digits as its factorization.
1222021222223 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1536, while the sum is 23.
Adding to 1222021222223 its reverse (3222221202221), we get a palindrome (4444242424444).
The spelling of 1222021222223 in words is "one trillion, two hundred twenty-two billion, twenty-one million, two hundred twenty-two thousand, two hundred twenty-three".
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