Base | Representation |
---|---|
bin | 110011000010… |
… | …100111100001 |
3 | 221011202222222 |
4 | 303002213201 |
5 | 11411130230 |
6 | 1154440425 |
7 | 221504636 |
oct | 63024741 |
9 | 27152888 |
10 | 13380065 |
11 | 7609706 |
12 | 4593115 |
13 | 2a061ca |
14 | 1ac418d |
15 | 12946e5 |
hex | cc29e1 |
13380065 has 8 divisors (see below), whose sum is σ = 16574208. Its totient is φ = 10358640.
The previous prime is 13380041. The next prime is 13380067. The reversal of 13380065 is 56008331.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13380065 - 28 = 13379809 is a prime.
It is a super-2 number, since 2×133800652 = 358052278808450, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13380067) 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 7 ways as a sum of consecutive naturals, for example, 43007 + ... + 43316.
It is an arithmetic number, because the mean of its divisors is an integer number (2071776).
Almost surely, 213380065 is an apocalyptic number.
It is an amenable number.
13380065 is a deficient number, since it is larger than the sum of its proper divisors (3194143).
13380065 is an equidigital number, since it uses as much as digits as its factorization.
13380065 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86359.
The product of its (nonzero) digits is 2160, while the sum is 26.
The square root of 13380065 is about 3657.8771165801. The cubic root of 13380065 is about 237.4029298603.
Adding to 13380065 its reverse (56008331), we get a palindrome (69388396).
The spelling of 13380065 in words is "thirteen million, three hundred eighty thousand, sixty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •