Base | Representation |
---|---|
bin | 110010001000… |
… | …111100010011 |
3 | 220201202221102 |
4 | 302020330103 |
5 | 11331100302 |
6 | 1145415015 |
7 | 216502124 |
oct | 62107423 |
9 | 26652842 |
10 | 13143827 |
11 | 7468174 |
12 | 449a46b |
13 | 2952818 |
14 | 1a6204b |
15 | 1249702 |
hex | c88f13 |
13143827 has 2 divisors, whose sum is σ = 13143828. Its totient is φ = 13143826.
The previous prime is 13143817. The next prime is 13143847. The reversal of 13143827 is 72834131.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 13143827 - 24 = 13143811 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 13143827.
It is not a weakly prime, because it can be changed into another prime (13143817) 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, 6571913 + 6571914.
It is an arithmetic number, because the mean of its divisors is an integer number (6571914).
Almost surely, 213143827 is an apocalyptic number.
13143827 is a deficient number, since it is larger than the sum of its proper divisors (1).
13143827 is an equidigital number, since it uses as much as digits as its factorization.
13143827 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 4032, while the sum is 29.
The square root of 13143827 is about 3625.4416282710. The cubic root of 13143827 is about 235.9974324627.
Adding to 13143827 its reverse (72834131), we get a palindrome (85977958).
The spelling of 13143827 in words is "thirteen million, one hundred forty-three thousand, eight hundred twenty-seven".
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