Base | Representation |
---|---|
bin | 110011111000… |
… | …100101110111 |
3 | 221121000021001 |
4 | 303320211313 |
5 | 11440214033 |
6 | 1203304131 |
7 | 223415323 |
oct | 63704567 |
9 | 27530231 |
10 | 13601143 |
11 | 774a816 |
12 | 467b047 |
13 | 2a82a1a |
14 | 1b40983 |
15 | 12d9e7d |
hex | cf8977 |
13601143 has 2 divisors, whose sum is σ = 13601144. Its totient is φ = 13601142.
The previous prime is 13601123. The next prime is 13601149. The reversal of 13601143 is 34110631.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 13601143 - 25 = 13601111 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13601143.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13601149) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6800571 + 6800572.
It is an arithmetic number, because the mean of its divisors is an integer number (6800572).
Almost surely, 213601143 is an apocalyptic number.
13601143 is a deficient number, since it is larger than the sum of its proper divisors (1).
13601143 is an equidigital number, since it uses as much as digits as its factorization.
13601143 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 216, while the sum is 19.
The square root of 13601143 is about 3687.9727493570. The cubic root of 13601143 is about 238.7033252143.
Adding to 13601143 its reverse (34110631), we get a palindrome (47711774).
It can be divided in two parts, 13 and 601143, that added together give a triangular number (601156 = T1096).
The spelling of 13601143 in words is "thirteen million, six hundred one thousand, one hundred forty-three".
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