Base | Representation |
---|---|
bin | 1111100000000… |
… | …0011011000011 |
3 | 11112100000200022 |
4 | 3320000123003 |
5 | 113120412233 |
6 | 10241244055 |
7 | 1416414365 |
oct | 370003303 |
9 | 145300608 |
10 | 65013443 |
11 | 33775620 |
12 | 1993362b |
13 | 10613bc1 |
14 | 88c4d35 |
15 | 5a93398 |
hex | 3e006c3 |
65013443 has 4 divisors (see below), whose sum is σ = 70923768. Its totient is φ = 59103120.
The previous prime is 65013439. The next prime is 65013449. The reversal of 65013443 is 34431056.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 65013443 - 22 = 65013439 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (65013449) 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 3 ways as a sum of consecutive naturals, for example, 2955146 + ... + 2955167.
It is an arithmetic number, because the mean of its divisors is an integer number (17730942).
Almost surely, 265013443 is an apocalyptic number.
65013443 is a deficient number, since it is larger than the sum of its proper divisors (5910325).
65013443 is a wasteful number, since it uses less digits than its factorization.
65013443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5910324.
The product of its (nonzero) digits is 4320, while the sum is 26.
The square root of 65013443 is about 8063.0914046661. The cubic root of 65013443 is about 402.1002922131.
Adding to 65013443 its reverse (34431056), we get a palindrome (99444499).
It can be divided in two parts, 65013 and 443, that added together give a palindrome (65456).
The spelling of 65013443 in words is "sixty-five million, thirteen thousand, four hundred forty-three".
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