Base | Representation |
---|---|
bin | 110000101011… |
… | …100001010011 |
3 | 220000100000222 |
4 | 300223201103 |
5 | 11231324141 |
6 | 1133303255 |
7 | 213316403 |
oct | 60534123 |
9 | 26010028 |
10 | 12761171 |
11 | 7226725 |
12 | 4334b2b |
13 | 284a5b7 |
14 | 19a2803 |
15 | 11c114b |
hex | c2b853 |
12761171 has 2 divisors, whose sum is σ = 12761172. Its totient is φ = 12761170.
The previous prime is 12761149. The next prime is 12761197. The reversal of 12761171 is 17116721.
It is an a-pointer prime, because the next prime (12761197) can be obtained adding 12761171 to its sum of digits (26).
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12761171 - 218 = 12499027 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12761171.
It is not a weakly prime, because it can be changed into another prime (12761071) 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, 6380585 + 6380586.
It is an arithmetic number, because the mean of its divisors is an integer number (6380586).
Almost surely, 212761171 is an apocalyptic number.
12761171 is a deficient number, since it is larger than the sum of its proper divisors (1).
12761171 is an equidigital number, since it uses as much as digits as its factorization.
12761171 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 588, while the sum is 26.
The square root of 12761171 is about 3572.2781246706. The cubic root of 12761171 is about 233.6846447159.
Adding to 12761171 its reverse (17116721), we get a palindrome (29877892).
The spelling of 12761171 in words is "twelve million, seven hundred sixty-one thousand, one hundred seventy-one".
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