Base | Representation |
---|---|
bin | 100001001000111… |
… | …1110110111101101 |
3 | 2212111102222020202 |
4 | 1002101332313231 |
5 | 4234133311341 |
6 | 302202123245 |
7 | 36361634210 |
oct | 10221766755 |
9 | 2774388222 |
10 | 1112010221 |
11 | 520778813 |
12 | 2704b0525 |
13 | 1494c751a |
14 | a7987777 |
15 | 6795979b |
hex | 4247eded |
1112010221 has 4 divisors (see below), whose sum is σ = 1270868832. Its totient is φ = 953151612.
The previous prime is 1112010203. The next prime is 1112010227. The reversal of 1112010221 is 1220102111.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 1112010221 - 26 = 1112010157 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 (1112010227) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79429295 + ... + 79429308.
It is an arithmetic number, because the mean of its divisors is an integer number (317717208).
Almost surely, 21112010221 is an apocalyptic number.
It is an amenable number.
1112010221 is a deficient number, since it is larger than the sum of its proper divisors (158858611).
1112010221 is an equidigital number, since it uses as much as digits as its factorization.
1112010221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158858610.
The product of its (nonzero) digits is 8, while the sum is 11.
The square root of 1112010221 is about 33346.8172544247. The cubic root of 1112010221 is about 1036.0234676760.
Adding to 1112010221 its reverse (1220102111), we get a palindrome (2332112332).
The spelling of 1112010221 in words is "one billion, one hundred twelve million, ten thousand, two hundred twenty-one".
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