Base | Representation |
---|---|
bin | 110010001110… |
… | …011100100001 |
3 | 220202220212022 |
4 | 302032130201 |
5 | 11332310434 |
6 | 1150111225 |
7 | 216624626 |
oct | 62163441 |
9 | 26686768 |
10 | 13166369 |
11 | 74830a7 |
12 | 44ab515 |
13 | 295cb68 |
14 | 1a6a34d |
15 | 125122e |
hex | c8e721 |
13166369 has 2 divisors, whose sum is σ = 13166370. Its totient is φ = 13166368.
The previous prime is 13166359. The next prime is 13166383. The reversal of 13166369 is 96366131.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 10975969 + 2190400 = 3313^2 + 1480^2 .
It is an emirp because it is prime and its reverse (96366131) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13166369 - 212 = 13162273 is a prime.
It is a super-2 number, since 2×131663692 = 346706545288322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (13166359) 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, 6583184 + 6583185.
It is an arithmetic number, because the mean of its divisors is an integer number (6583185).
Almost surely, 213166369 is an apocalyptic number.
It is an amenable number.
13166369 is a deficient number, since it is larger than the sum of its proper divisors (1).
13166369 is an equidigital number, since it uses as much as digits as its factorization.
13166369 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 17496, while the sum is 35.
The square root of 13166369 is about 3628.5491590993. The cubic root of 13166369 is about 236.1322692899.
The spelling of 13166369 in words is "thirteen million, one hundred sixty-six thousand, three hundred sixty-nine".
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