Base | Representation |
---|---|
bin | 111000111010001001… |
… | …0110001001000111011 |
3 | 102200110000222102201002 |
4 | 1301310102301020323 |
5 | 4000241300124321 |
6 | 132050443515215 |
7 | 11554324142045 |
oct | 1616422611073 |
9 | 380400872632 |
10 | 122210161211 |
11 | 479134a4a36 |
12 | 1b827b28b0b |
13 | b6a8065a78 |
14 | 5cb4aaaa95 |
15 | 32a402d20b |
hex | 1c744b123b |
122210161211 has 2 divisors, whose sum is σ = 122210161212. Its totient is φ = 122210161210.
The previous prime is 122210161147. The next prime is 122210161243. The reversal of 122210161211 is 112161012221.
It is a strong prime.
It is an emirp because it is prime and its reverse (112161012221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 122210161211 - 26 = 122210161147 is a prime.
It is a Sophie Germain prime.
It is not a weakly prime, because it can be changed into another prime (122210161261) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61105080605 + 61105080606.
It is an arithmetic number, because the mean of its divisors is an integer number (61105080606).
Almost surely, 2122210161211 is an apocalyptic number.
122210161211 is a deficient number, since it is larger than the sum of its proper divisors (1).
122210161211 is an equidigital number, since it uses as much as digits as its factorization.
122210161211 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 96, while the sum is 20.
Adding to 122210161211 its reverse (112161012221), we get a palindrome (234371173432).
The spelling of 122210161211 in words is "one hundred twenty-two billion, two hundred ten million, one hundred sixty-one thousand, two hundred eleven".
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