Base | Representation |
---|---|
bin | 100001000001011… |
… | …0101110011001001 |
3 | 2212012222022101001 |
4 | 1002002311303021 |
5 | 4232124302110 |
6 | 301541055001 |
7 | 36313122646 |
oct | 10202656311 |
9 | 2765868331 |
10 | 1108040905 |
11 | 519507594 |
12 | 26b0b7461 |
13 | 14873790a |
14 | a7232dcd |
15 | 6742363a |
hex | 420b5cc9 |
1108040905 has 16 divisors (see below), whose sum is σ = 1395053568. Its totient is φ = 843768000.
The previous prime is 1108040873. The next prime is 1108040929. The reversal of 1108040905 is 5090408011.
It is a happy number.
It is not a de Polignac number, because 1108040905 - 25 = 1108040873 is a prime.
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 15 ways as a sum of consecutive naturals, for example, 49141 + ... + 68050.
It is an arithmetic number, because the mean of its divisors is an integer number (87190848).
Almost surely, 21108040905 is an apocalyptic number.
It is an amenable number.
1108040905 is a deficient number, since it is larger than the sum of its proper divisors (287012663).
1108040905 is a wasteful number, since it uses less digits than its factorization.
1108040905 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117288.
The product of its (nonzero) digits is 1440, while the sum is 28.
The square root of 1108040905 is about 33287.2483843288. The cubic root of 1108040905 is about 1034.7893041985.
Adding to 1108040905 its reverse (5090408011), we get a palindrome (6198448916).
The spelling of 1108040905 in words is "one billion, one hundred eight million, forty thousand, nine hundred five".
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