Base | Representation |
---|---|
bin | 1010000110001010101011… |
… | …00010010100001111011111 |
3 | 2220121111112222122121212022 |
4 | 11003011111202110033133 |
5 | 10402224420434342231 |
6 | 115115302533530355 |
7 | 4451023153543661 |
oct | 503052542241737 |
9 | 86544488577768 |
10 | 22202121012191 |
11 | 708a95955995a |
12 | 25a6b054a39bb |
13 | c50860401173 |
14 | 56a834788531 |
15 | 2877dc600c7b |
hex | 1431558943df |
22202121012191 has 2 divisors, whose sum is σ = 22202121012192. Its totient is φ = 22202121012190.
The previous prime is 22202121012163. The next prime is 22202121012223. The reversal of 22202121012191 is 19121012120222.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 22202121012191 - 210 = 22202121011167 is a prime.
It is a super-2 number, since 2×222021210121912 (a number of 27 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 22202121012191.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (22202121012121) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101060506095 + 11101060506096.
It is an arithmetic number, because the mean of its divisors is an integer number (11101060506096).
Almost surely, 222202121012191 is an apocalyptic number.
22202121012191 is a deficient number, since it is larger than the sum of its proper divisors (1).
22202121012191 is an equidigital number, since it uses as much as digits as its factorization.
22202121012191 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 576, while the sum is 26.
The spelling of 22202121012191 in words is "twenty-two trillion, two hundred two billion, one hundred twenty-one million, twelve thousand, one hundred ninety-one".
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