Base | Representation |
---|---|
bin | 110100111110… |
… | …001010111111 |
3 | 222010111012121 |
4 | 310332022333 |
5 | 12023324033 |
6 | 1213343411 |
7 | 226013245 |
oct | 64761277 |
9 | 28114177 |
10 | 13886143 |
11 | 7924957 |
12 | 4797b67 |
13 | 2b5266b |
14 | 1bb6795 |
15 | 134462d |
hex | d3e2bf |
13886143 has 2 divisors, whose sum is σ = 13886144. Its totient is φ = 13886142.
The previous prime is 13886141. The next prime is 13886153. The reversal of 13886143 is 34168831.
It is a weak prime.
It is an emirp because it is prime and its reverse (34168831) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13886143 - 21 = 13886141 is a prime.
Together with 13886141, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 13886099 and 13886108.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13886141) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6943071 + 6943072.
It is an arithmetic number, because the mean of its divisors is an integer number (6943072).
Almost surely, 213886143 is an apocalyptic number.
13886143 is a deficient number, since it is larger than the sum of its proper divisors (1).
13886143 is an equidigital number, since it uses as much as digits as its factorization.
13886143 is an evil number, because the sum of its binary digits is even.
The product of its digits is 13824, while the sum is 34.
The square root of 13886143 is about 3726.4115446365. The cubic root of 13886143 is about 240.3590863122.
The spelling of 13886143 in words is "thirteen million, eight hundred eighty-six thousand, one hundred forty-three".
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