Base | Representation |
---|---|
bin | 110010000000… |
… | …101000000000 |
3 | 220200001012200 |
4 | 302000220000 |
5 | 11324003020 |
6 | 1144553200 |
7 | 216300606 |
oct | 62005000 |
9 | 26601180 |
10 | 13109760 |
11 | 7444614 |
12 | 4482800 |
13 | 2940171 |
14 | 1a53876 |
15 | 123e590 |
hex | c80a00 |
13109760 has 120 divisors (see below), whose sum is σ = 45482580. Its totient is φ = 3489792.
The previous prime is 13109749. The next prime is 13109779. The reversal of 13109760 is 6790131.
13109760 is a nontrivial binomial coefficient, being equal to C(5121, 2).
It can be written as a sum of positive squares in 2 ways, for example, as 12278016 + 831744 = 3504^2 + 912^2 .
It is a tau number, because it is divible by the number of its divisors (120).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22756 + ... + 23324.
Almost surely, 213109760 is an apocalyptic number.
13109760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13109760 is the 5120-th triangular number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13109760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22741290).
13109760 is an abundant number, since it is smaller than the sum of its proper divisors (32372820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13109760 is an equidigital number, since it uses as much as digits as its factorization.
13109760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 598 (or 579 counting only the distinct ones).
The product of its (nonzero) digits is 1134, while the sum is 27.
The square root of 13109760 is about 3620.7402558041. The cubic root of 13109760 is about 235.7933650450.
Adding to 13109760 its reverse (6790131), we get a palindrome (19899891).
The spelling of 13109760 in words is "thirteen million, one hundred nine thousand, seven hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •