Base | Representation |
---|---|
bin | 101110100000… |
… | …110110010001 |
3 | 211221110212212 |
4 | 232200312101 |
5 | 11110140134 |
6 | 1113201505 |
7 | 205432412 |
oct | 56406621 |
9 | 24843785 |
10 | 12193169 |
11 | 69789aa |
12 | 4100295 |
13 | 26abbc1 |
14 | 1895809 |
15 | 110cbce |
hex | ba0d91 |
12193169 has 2 divisors, whose sum is σ = 12193170. Its totient is φ = 12193168.
The previous prime is 12193157. The next prime is 12193189. The reversal of 12193169 is 96139121.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 7728400 + 4464769 = 2780^2 + 2113^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12193169 is a prime.
It is a super-7 number, since 7×121931697 (a number of 51 digits) contains 7777777 as substring. Note that it is a super-d number also for d = 2.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (12193189) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6096584 + 6096585.
It is an arithmetic number, because the mean of its divisors is an integer number (6096585).
Almost surely, 212193169 is an apocalyptic number.
It is an amenable number.
12193169 is a deficient number, since it is larger than the sum of its proper divisors (1).
12193169 is an equidigital number, since it uses as much as digits as its factorization.
12193169 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2916, while the sum is 32.
The square root of 12193169 is about 3491.8718475912. The cubic root of 12193169 is about 230.1647779509.
The spelling of 12193169 in words is "twelve million, one hundred ninety-three thousand, one hundred sixty-nine".
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