Base | Representation |
---|---|
bin | 111100101000010000… |
… | …111000111001100011 |
3 | 20020000221011221102110 |
4 | 330220100320321203 |
5 | 2031311101303233 |
6 | 45523451250403 |
7 | 4463145041355 |
oct | 745020707143 |
9 | 206027157373 |
10 | 65100025443 |
11 | 256772a3722 |
12 | 10749a49a03 |
13 | 61a623b01b |
14 | 3217d510d5 |
15 | 1a60366663 |
hex | f28438e63 |
65100025443 has 4 divisors (see below), whose sum is σ = 86800033928. Its totient is φ = 43400016960.
The previous prime is 65100025433. The next prime is 65100025477. The reversal of 65100025443 is 34452000156.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 65100025443 - 25 = 65100025411 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 65100025443.
It is not an unprimeable number, because it can be changed into a prime (65100025433) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10850004238 + ... + 10850004243.
It is an arithmetic number, because the mean of its divisors is an integer number (21700008482).
Almost surely, 265100025443 is an apocalyptic number.
65100025443 is a deficient number, since it is larger than the sum of its proper divisors (21700008485).
65100025443 is a wasteful number, since it uses less digits than its factorization.
65100025443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21700008484.
The product of its (nonzero) digits is 14400, while the sum is 30.
Adding to 65100025443 its reverse (34452000156), we get a palindrome (99552025599).
The spelling of 65100025443 in words is "sixty-five billion, one hundred million, twenty-five thousand, four hundred forty-three".
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