Base | Representation |
---|---|
bin | 10100101100000000… |
… | …101000110101110111 |
3 | 2010100002001112122012 |
4 | 110230000220311313 |
5 | 330443034420041 |
6 | 14112105554435 |
7 | 1414315044512 |
oct | 245400506567 |
9 | 63302045565 |
10 | 22213201271 |
11 | 9469855988 |
12 | 437b1a5a1b |
13 | 213007bca1 |
14 | 110a1dbd79 |
15 | 8a01e43eb |
hex | 52c028d77 |
22213201271 has 2 divisors, whose sum is σ = 22213201272. Its totient is φ = 22213201270.
The previous prime is 22213201261. The next prime is 22213201331. The reversal of 22213201271 is 17210231222.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-22213201271 is a prime.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (22213201261) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106600635 + 11106600636.
It is an arithmetic number, because the mean of its divisors is an integer number (11106600636).
Almost surely, 222213201271 is an apocalyptic number.
22213201271 is a deficient number, since it is larger than the sum of its proper divisors (1).
22213201271 is an equidigital number, since it uses as much as digits as its factorization.
22213201271 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 672, while the sum is 23.
Adding to 22213201271 its reverse (17210231222), we get a palindrome (39423432493).
The spelling of 22213201271 in words is "twenty-two billion, two hundred thirteen million, two hundred one thousand, two hundred seventy-one".
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