Base | Representation |
---|---|
bin | 100001001001001… |
… | …0010001000010001 |
3 | 2212111120222110101 |
4 | 1002102102020101 |
5 | 4234143322410 |
6 | 302203532401 |
7 | 36362413201 |
oct | 10222221021 |
9 | 2774528411 |
10 | 1112089105 |
11 | 520822006 |
12 | 27052a101 |
13 | 1495243ba |
14 | a79a8401 |
15 | 67972d3a |
hex | 42492211 |
1112089105 has 4 divisors (see below), whose sum is σ = 1334506932. Its totient is φ = 889671280.
The previous prime is 1112089063. The next prime is 1112089151. The reversal of 1112089105 is 5019802111.
It is a Cunningham number, because it is equal to 333482+1.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5019802111 = 101 ⋅49701011.
It can be written as a sum of positive squares in 2 ways, for example, as 400320064 + 711769041 = 20008^2 + 26679^2 .
It is not a de Polignac number, because 1112089105 - 223 = 1103700497 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111208906 + ... + 111208915.
It is an arithmetic number, because the mean of its divisors is an integer number (333626733).
Almost surely, 21112089105 is an apocalyptic number.
It is an amenable number.
1112089105 is a deficient number, since it is larger than the sum of its proper divisors (222417827).
1112089105 is an equidigital number, since it uses as much as digits as its factorization.
1112089105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 222417826.
The product of its (nonzero) digits is 720, while the sum is 28.
The square root of 1112089105 is about 33348.0000149934. Note that the first 4 decimals coincide. The cubic root of 1112089105 is about 1036.0479649756.
The spelling of 1112089105 in words is "one billion, one hundred twelve million, eighty-nine thousand, one hundred five".
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