Base | Representation |
---|---|
bin | 110001101001… |
… | …001011010110 |
3 | 220111011110120 |
4 | 301221023112 |
5 | 11312414333 |
6 | 1142532410 |
7 | 215420604 |
oct | 61511326 |
9 | 26434416 |
10 | 13013718 |
11 | 7389443 |
12 | 4437106 |
13 | 2908533 |
14 | 1a2a874 |
15 | 1220db3 |
hex | c692d6 |
13013718 has 8 divisors (see below), whose sum is σ = 26027448. Its totient is φ = 4337904.
The previous prime is 13013717. The next prime is 13013731. The reversal of 13013718 is 81731031.
13013718 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
13013718 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13013713) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1084471 + ... + 1084482.
It is an arithmetic number, because the mean of its divisors is an integer number (3253431).
Almost surely, 213013718 is an apocalyptic number.
13013718 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13013718 is a wasteful number, since it uses less digits than its factorization.
13013718 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2168958.
The product of its (nonzero) digits is 504, while the sum is 24.
The square root of 13013718 is about 3607.4531181985. The cubic root of 13013718 is about 235.2161463879.
Adding to 13013718 its reverse (81731031), we get a palindrome (94744749).
It can be divided in two parts, 13013 and 718, that added together give a palindrome (13731).
The spelling of 13013718 in words is "thirteen million, thirteen thousand, seven hundred eighteen".
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