Base | Representation |
---|---|
bin | 1110011100000… |
… | …10110111011101 |
3 | 22102220122111222 |
4 | 13032002313131 |
5 | 222001403034 |
6 | 20004023125 |
7 | 3000344102 |
oct | 716026735 |
9 | 272818458 |
10 | 121122269 |
11 | 62408a54 |
12 | 34691aa5 |
13 | 1c12a9a8 |
14 | 1212caa9 |
15 | a97812e |
hex | 7382ddd |
121122269 has 2 divisors, whose sum is σ = 121122270. Its totient is φ = 121122268.
The previous prime is 121122193. The next prime is 121122293. The reversal of 121122269 is 962221121.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 97259044 + 23863225 = 9862^2 + 4885^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-121122269 is a prime.
It is a super-2 number, since 2×1211222692 = 29341208095416722, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (121121269) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60561134 + 60561135.
It is an arithmetic number, because the mean of its divisors is an integer number (60561135).
Almost surely, 2121122269 is an apocalyptic number.
It is an amenable number.
121122269 is a deficient number, since it is larger than the sum of its proper divisors (1).
121122269 is an equidigital number, since it uses as much as digits as its factorization.
121122269 is an evil number, because the sum of its binary digits is even.
The product of its digits is 864, while the sum is 26.
The square root of 121122269 is about 11005.5562785349. The cubic root of 121122269 is about 494.7752869093.
The spelling of 121122269 in words is "one hundred twenty-one million, one hundred twenty-two thousand, two hundred sixty-nine".
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