Base | Representation |
---|---|
bin | 1010110001011… |
… | …0100010111001 |
3 | 10011000102211120 |
4 | 2230112202321 |
5 | 43031243423 |
6 | 4252215453 |
7 | 1056014235 |
oct | 254264271 |
9 | 104012746 |
10 | 45181113 |
11 | 2355a26a |
12 | 1316a589 |
13 | 948bbb3 |
14 | 60015c5 |
15 | 3e76ee3 |
hex | 2b168b9 |
45181113 has 4 divisors (see below), whose sum is σ = 60241488. Its totient is φ = 30120740.
The previous prime is 45181111. The next prime is 45181151. The reversal of 45181113 is 31118154.
45181113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 45181113 - 21 = 45181111 is a prime.
It is not an unprimeable number, because it can be changed into a prime (45181111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7530183 + ... + 7530188.
It is an arithmetic number, because the mean of its divisors is an integer number (15060372).
Almost surely, 245181113 is an apocalyptic number.
It is an amenable number.
45181113 is a deficient number, since it is larger than the sum of its proper divisors (15060375).
45181113 is a wasteful number, since it uses less digits than its factorization.
45181113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15060374.
The product of its digits is 480, while the sum is 24.
The square root of 45181113 is about 6721.6897429144. The cubic root of 45181113 is about 356.1658765975.
Adding to 45181113 its reverse (31118154), we get a palindrome (76299267).
The spelling of 45181113 in words is "forty-five million, one hundred eighty-one thousand, one hundred thirteen".
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