Base | Representation |
---|---|
bin | 10100011111111010… |
… | …010010111100100001 |
3 | 2002210221002121212211 |
4 | 110133322102330201 |
5 | 330034103242004 |
6 | 14040015122121 |
7 | 1406301500443 |
oct | 243772227441 |
9 | 62727077784 |
10 | 22010212129 |
11 | 9375211164 |
12 | 4323213341 |
13 | 20c9cb9279 |
14 | 10cb27c493 |
15 | 88c499504 |
hex | 51fe92f21 |
22010212129 has 2 divisors, whose sum is σ = 22010212130. Its totient is φ = 22010212128.
The previous prime is 22010212111. The next prime is 22010212151. The reversal of 22010212129 is 92121201022.
It is an a-pointer prime, because the next prime (22010212151) can be obtained adding 22010212129 to its sum of digits (22).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 17018507025 + 4991705104 = 130455^2 + 70652^2 .
It is a cyclic number.
It is not a de Polignac number, because 22010212129 - 29 = 22010211617 is a prime.
It is not a weakly prime, because it can be changed into another prime (22010212229) 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, 11005106064 + 11005106065.
It is an arithmetic number, because the mean of its divisors is an integer number (11005106065).
Almost surely, 222010212129 is an apocalyptic number.
It is an amenable number.
22010212129 is a deficient number, since it is larger than the sum of its proper divisors (1).
22010212129 is an equidigital number, since it uses as much as digits as its factorization.
22010212129 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 288, while the sum is 22.
The spelling of 22010212129 in words is "twenty-two billion, ten million, two hundred twelve thousand, one hundred twenty-nine".
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