Base | Representation |
---|---|
bin | 1100100101101… |
… | …01010001010001 |
3 | 21100201001002010 |
4 | 12102311101101 |
5 | 204013200311 |
6 | 14251213133 |
7 | 2421404646 |
oct | 622652121 |
9 | 240631063 |
10 | 105600081 |
11 | 546769a4 |
12 | 2b4471a9 |
13 | 18b54772 |
14 | 1004bdcd |
15 | 940dda6 |
hex | 64b5451 |
105600081 has 24 divisors (see below), whose sum is σ = 149559264. Its totient is φ = 66265920.
The previous prime is 105600067. The next prime is 105600083. The reversal of 105600081 is 180006501.
It is not a de Polignac number, because 105600081 - 29 = 105599569 is a prime.
It is a super-2 number, since 2×1056000812 = 22302754214413122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (105600083) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 304150 + ... + 304496.
It is an arithmetic number, because the mean of its divisors is an integer number (6231636).
Almost surely, 2105600081 is an apocalyptic number.
It is an amenable number.
105600081 is a deficient number, since it is larger than the sum of its proper divisors (43959183).
105600081 is a wasteful number, since it uses less digits than its factorization.
105600081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 669 (or 650 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 21.
The square root of 105600081 is about 10276.1900040823. The cubic root of 105600081 is about 472.6664210391. Note that the first 3 decimals are identical.
Adding to 105600081 its reverse (180006501), we get a palindrome (285606582).
The spelling of 105600081 in words is "one hundred five million, six hundred thousand, eighty-one".
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