Base | Representation |
---|---|
bin | 100000111000000… |
… | …0100011101011101 |
3 | 2211212201022110111 |
4 | 1001300010131131 |
5 | 4224344321341 |
6 | 301243410021 |
7 | 36223236640 |
oct | 10160043535 |
9 | 2755638414 |
10 | 1103120221 |
11 | 516756605 |
12 | 269523911 |
13 | 147703c78 |
14 | a6711a57 |
15 | 66ca0681 |
hex | 41c0475d |
1103120221 has 32 divisors (see below), whose sum is σ = 1368576000. Its totient is φ = 868128192.
The previous prime is 1103120219. The next prime is 1103120231. The reversal of 1103120221 is 1220213011.
It is a cyclic number.
It is not a de Polignac number, because 1103120221 - 21 = 1103120219 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 (1103120231) 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 31 ways as a sum of consecutive naturals, for example, 680550 + ... + 682168.
It is an arithmetic number, because the mean of its divisors is an integer number (42768000).
Almost surely, 21103120221 is an apocalyptic number.
It is an amenable number.
1103120221 is a deficient number, since it is larger than the sum of its proper divisors (265455779).
1103120221 is a wasteful number, since it uses less digits than its factorization.
1103120221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1801.
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 1103120221 is about 33213.2536948731. The cubic root of 1103120221 is about 1033.2552370971.
Adding to 1103120221 its reverse (1220213011), we get a palindrome (2323333232).
The spelling of 1103120221 in words is "one billion, one hundred three million, one hundred twenty thousand, two hundred twenty-one".
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