Base | Representation |
---|---|
bin | 1111100001011… |
… | …0110010010010 |
3 | 11112111200022212 |
4 | 3320112302102 |
5 | 113131330132 |
6 | 10243232122 |
7 | 1420245422 |
oct | 370266222 |
9 | 145450285 |
10 | 65105042 |
11 | 33828422 |
12 | 19978642 |
13 | 106467c2 |
14 | 890a482 |
15 | 5ab05b2 |
hex | 3e16c92 |
65105042 has 16 divisors (see below), whose sum is σ = 102961152. Its totient is φ = 30814080.
The previous prime is 65105023. The next prime is 65105057. The reversal of 65105042 is 24050156.
65105042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a junction number, because it is equal to n+sod(n) for n = 65104999 and 65105017.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 2834 + ... + 11757.
It is an arithmetic number, because the mean of its divisors is an integer number (6435072).
Almost surely, 265105042 is an apocalyptic number.
65105042 is a deficient number, since it is larger than the sum of its proper divisors (37856110).
65105042 is a wasteful number, since it uses less digits than its factorization.
65105042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14713.
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 65105042 is about 8068.7695468392. The cubic root of 65105042 is about 402.2890465110.
Adding to 65105042 its reverse (24050156), we get a palindrome (89155198).
The spelling of 65105042 in words is "sixty-five million, one hundred five thousand, forty-two".
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