Base | Representation |
---|---|
bin | 1001101010110… |
… | …10010101000101 |
3 | 12122121211110201 |
4 | 10311122111011 |
5 | 131231012331 |
6 | 12014250501 |
7 | 2003266204 |
oct | 465322505 |
9 | 178554421 |
10 | 81110341 |
11 | 4186a444 |
12 | 231b6a31 |
13 | 13a5b8b0 |
14 | aab523b |
15 | 71c2a61 |
hex | 4d5a545 |
81110341 has 16 divisors (see below), whose sum is σ = 91586880. Its totient is φ = 71326080.
The previous prime is 81110317. The next prime is 81110357. The reversal of 81110341 is 14301118.
It is a cyclic number.
It is not a de Polignac number, because 81110341 - 213 = 81102149 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (81110041) 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 15 ways as a sum of consecutive naturals, for example, 21150 + ... + 24688.
It is an arithmetic number, because the mean of its divisors is an integer number (5724180).
Almost surely, 281110341 is an apocalyptic number.
It is an amenable number.
81110341 is a deficient number, since it is larger than the sum of its proper divisors (10476539).
81110341 is a wasteful number, since it uses less digits than its factorization.
81110341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3636.
The product of its (nonzero) digits is 96, while the sum is 19.
The square root of 81110341 is about 9006.1279693329. The cubic root of 81110341 is about 432.8712501698.
Adding to 81110341 its reverse (14301118), we get a palindrome (95411459).
The spelling of 81110341 in words is "eighty-one million, one hundred ten thousand, three hundred forty-one".
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