Base | Representation |
---|---|
bin | 110101001001… |
… | …101001000011 |
3 | 222012212122121 |
4 | 311021221003 |
5 | 12031324443 |
6 | 1214345111 |
7 | 226300231 |
oct | 65115103 |
9 | 28185577 |
10 | 13933123 |
11 | 7957186 |
12 | 47bb197 |
13 | 2b6ab69 |
14 | 1bc9951 |
15 | 13534ed |
hex | d49a43 |
13933123 has 2 divisors, whose sum is σ = 13933124. Its totient is φ = 13933122.
The previous prime is 13933121. The next prime is 13933133. The reversal of 13933123 is 32133931.
It is a weak prime.
It is an emirp because it is prime and its reverse (32133931) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13933123 - 21 = 13933121 is a prime.
Together with 13933121, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (13933121) 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, 6966561 + 6966562.
It is an arithmetic number, because the mean of its divisors is an integer number (6966562).
Almost surely, 213933123 is an apocalyptic number.
13933123 is a deficient number, since it is larger than the sum of its proper divisors (1).
13933123 is an equidigital number, since it uses as much as digits as its factorization.
13933123 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1458, while the sum is 25.
The square root of 13933123 is about 3732.7098735369. The cubic root of 13933123 is about 240.6298444631.
The spelling of 13933123 in words is "thirteen million, nine hundred thirty-three thousand, one hundred twenty-three".
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