Base | Representation |
---|---|
bin | 110100111010… |
… | …000001001101 |
3 | 222002121212121 |
4 | 310322001031 |
5 | 12022303013 |
6 | 1213132541 |
7 | 225612535 |
oct | 64720115 |
9 | 28077777 |
10 | 13869133 |
11 | 79130a3 |
12 | 478a151 |
13 | 2b479b5 |
14 | 1bb04c5 |
15 | 133e58d |
hex | d3a04d |
13869133 has 2 divisors, whose sum is σ = 13869134. Its totient is φ = 13869132.
The previous prime is 13869131. The next prime is 13869139. The reversal of 13869133 is 33196831.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 9715689 + 4153444 = 3117^2 + 2038^2 .
It is a cyclic number.
It is not a de Polignac number, because 13869133 - 21 = 13869131 is a prime.
Together with 13869131, 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 (13869131) 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, 6934566 + 6934567.
It is an arithmetic number, because the mean of its divisors is an integer number (6934567).
Almost surely, 213869133 is an apocalyptic number.
It is an amenable number.
13869133 is a deficient number, since it is larger than the sum of its proper divisors (1).
13869133 is an equidigital number, since it uses as much as digits as its factorization.
13869133 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 11664, while the sum is 34.
The square root of 13869133 is about 3724.1284886534. The cubic root of 13869133 is about 240.2609026141.
The spelling of 13869133 in words is "thirteen million, eight hundred sixty-nine thousand, one hundred thirty-three".
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