Base | Representation |
---|---|
bin | 110001110000… |
… | …000111010101 |
3 | 220112121102222 |
4 | 301300013111 |
5 | 11314322013 |
6 | 1143312125 |
7 | 215566466 |
oct | 61600725 |
9 | 26477388 |
10 | 13042133 |
11 | 73a8825 |
12 | 444b645 |
13 | 2918450 |
14 | 1a36d6d |
15 | 1229508 |
hex | c701d5 |
13042133 has 4 divisors (see below), whose sum is σ = 14045388. Its totient is φ = 12038880.
The previous prime is 13042129. The next prime is 13042157. The reversal of 13042133 is 33124031.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33124031 = 5209 ⋅6359.
It can be written as a sum of positive squares in 2 ways, for example, as 1495729 + 11546404 = 1223^2 + 3398^2 .
It is a cyclic number.
It is not a de Polignac number, because 13042133 - 22 = 13042129 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13042163) 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 3 ways as a sum of consecutive naturals, for example, 501608 + ... + 501633.
It is an arithmetic number, because the mean of its divisors is an integer number (3511347).
Almost surely, 213042133 is an apocalyptic number.
13042133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
13042133 is a deficient number, since it is larger than the sum of its proper divisors (1003255).
13042133 is a wasteful number, since it uses less digits than its factorization.
13042133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1003254.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 13042133 is about 3611.3893448367. The cubic root of 13042133 is about 235.3872173602.
Adding to 13042133 its reverse (33124031), we get a palindrome (46166164).
The spelling of 13042133 in words is "thirteen million, forty-two thousand, one hundred thirty-three".
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