Base | Representation |
---|---|
bin | 110010000000… |
… | …111111001001 |
3 | 220200010020112 |
4 | 302000333021 |
5 | 11324024431 |
6 | 1145004105 |
7 | 216305123 |
oct | 62007711 |
9 | 26603215 |
10 | 13111241 |
11 | 7445740 |
12 | 4483635 |
13 | 2940a40 |
14 | 1a54213 |
15 | 123ec2b |
hex | c80fc9 |
13111241 has 16 divisors (see below), whose sum is σ = 15505728. Its totient is φ = 10929600.
The previous prime is 13111237. The next prime is 13111271. The reversal of 13111241 is 14211131.
It is not a de Polignac number, because 13111241 - 22 = 13111237 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13111201) 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 in 15 ways as a sum of consecutive naturals, for example, 39446 + ... + 39776.
It is an arithmetic number, because the mean of its divisors is an integer number (969108).
Almost surely, 213111241 is an apocalyptic number.
13111241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
13111241 is a deficient number, since it is larger than the sum of its proper divisors (2394487).
13111241 is a wasteful number, since it uses less digits than its factorization.
13111241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 632.
The product of its digits is 24, while the sum is 14.
The square root of 13111241 is about 3620.9447662178. The cubic root of 13111241 is about 235.8022438453.
Adding to 13111241 its reverse (14211131), we get a palindrome (27322372).
It can be divided in two parts, 1311 and 1241, that added together give a palindrome (2552).
The spelling of 13111241 in words is "thirteen million, one hundred eleven thousand, two hundred forty-one".
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