Base | Representation |
---|---|
bin | 1111100001100… |
… | …1001110100001 |
3 | 11112112012001012 |
4 | 3320121032201 |
5 | 113132140131 |
6 | 10243350305 |
7 | 1420316525 |
oct | 370311641 |
9 | 145465035 |
10 | 65115041 |
11 | 33834992 |
12 | 19982395 |
13 | 1064b214 |
14 | 890dd85 |
15 | 5ab352b |
hex | 3e193a1 |
65115041 has 4 divisors (see below), whose sum is σ = 65146032. Its totient is φ = 65084052.
The previous prime is 65115031. The next prime is 65115091. The reversal of 65115041 is 14051156.
65115041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 65115041 - 26 = 65114977 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 65114998 and 65115016.
It is not an unprimeable number, because it can be changed into a prime (65115031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12095 + ... + 16628.
It is an arithmetic number, because the mean of its divisors is an integer number (16286508).
Almost surely, 265115041 is an apocalyptic number.
It is an amenable number.
65115041 is a deficient number, since it is larger than the sum of its proper divisors (30991).
65115041 is a wasteful number, since it uses less digits than its factorization.
65115041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30990.
The product of its (nonzero) digits is 600, while the sum is 23.
The square root of 65115041 is about 8069.3891342530. The cubic root of 65115041 is about 402.3096403193.
Adding to 65115041 its reverse (14051156), we get a palindrome (79166197).
The spelling of 65115041 in words is "sixty-five million, one hundred fifteen thousand, forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •