Base | Representation |
---|---|
bin | 110010000000… |
… | …011001010010 |
3 | 220122222220210 |
4 | 302000121102 |
5 | 11323440233 |
6 | 1144544550 |
7 | 216265062 |
oct | 62003122 |
9 | 26588823 |
10 | 13108818 |
11 | 7443938 |
12 | 4482156 |
13 | 293c8c8 |
14 | 1a533a2 |
15 | 123e163 |
hex | c80652 |
13108818 has 16 divisors (see below), whose sum is σ = 26609760. Its totient is φ = 4304256.
The previous prime is 13108811. The next prime is 13108831. The reversal of 13108818 is 81880131.
It is a super-2 number, since 2×131088182 = 343682218714248, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13108811) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15903 + ... + 16706.
It is an arithmetic number, because the mean of its divisors is an integer number (1663110).
Almost surely, 213108818 is an apocalyptic number.
13108818 is an abundant number, since it is smaller than the sum of its proper divisors (13500942).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13108818 is a wasteful number, since it uses less digits than its factorization.
13108818 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32681.
The product of its (nonzero) digits is 1536, while the sum is 30.
The square root of 13108818 is about 3620.6101695709. The cubic root of 13108818 is about 235.7877172764.
Adding to 13108818 its reverse (81880131), we get a palindrome (94988949).
The spelling of 13108818 in words is "thirteen million, one hundred eight thousand, eight hundred eighteen".
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