Base | Representation |
---|---|
bin | 110011001101… |
… | …011000001111 |
3 | 221021000110111 |
4 | 303031120033 |
5 | 11414033033 |
6 | 1155420451 |
7 | 222050305 |
oct | 63153017 |
9 | 27230414 |
10 | 13424143 |
11 | 7639837 |
12 | 45b4727 |
13 | 2a202a5 |
14 | 1ad6275 |
15 | 12a27cd |
hex | ccd60f |
13424143 has 2 divisors, whose sum is σ = 13424144. Its totient is φ = 13424142.
The previous prime is 13424141. The next prime is 13424149. The reversal of 13424143 is 34142431.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 13424143 - 21 = 13424141 is a prime.
Together with 13424141, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13424141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6712071 + 6712072.
It is an arithmetic number, because the mean of its divisors is an integer number (6712072).
Almost surely, 213424143 is an apocalyptic number.
13424143 is a deficient number, since it is larger than the sum of its proper divisors (1).
13424143 is an equidigital number, since it uses as much as digits as its factorization.
13424143 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1152, while the sum is 22.
The square root of 13424143 is about 3663.8972420088. The cubic root of 13424143 is about 237.6633365804.
Adding to 13424143 its reverse (34142431), we get a palindrome (47566574).
The spelling of 13424143 in words is "thirteen million, four hundred twenty-four thousand, one hundred forty-three".
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