Base | Representation |
---|---|
bin | 111110101001101… |
… | …1010011110111101 |
3 | 12102111201220210200 |
4 | 1331103122132331 |
5 | 13301133204323 |
6 | 544334154113 |
7 | 103044520062 |
oct | 17523323675 |
9 | 5374656720 |
10 | 2102241213 |
11 | 989729a36 |
12 | 4a8052939 |
13 | 2766c4017 |
14 | 15d2b0c69 |
15 | c485b443 |
hex | 7d4da7bd |
2102241213 has 24 divisors (see below), whose sum is σ = 3100537440. Its totient is φ = 1372164000.
The previous prime is 2102241151. The next prime is 2102241259. The reversal of 2102241213 is 3121422012.
It is a happy number.
2102241213 is a `hidden beast` number, since 210 + 2 + 241 + 213 = 666.
It is not a de Polignac number, because 2102241213 - 212 = 2102237117 is a prime.
It is a super-2 number, since 2×21022412132 = 8838836235271422738, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2102241013) 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, 125395 + ... + 141167.
It is an arithmetic number, because the mean of its divisors is an integer number (129189060).
Almost surely, 22102241213 is an apocalyptic number.
It is an amenable number.
2102241213 is a deficient number, since it is larger than the sum of its proper divisors (998296227).
2102241213 is a wasteful number, since it uses less digits than its factorization.
2102241213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16089 (or 16086 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 2102241213 is about 45850.2040671577. The cubic root of 2102241213 is about 1281.0345666164.
Adding to 2102241213 its reverse (3121422012), we get a palindrome (5223663225).
The spelling of 2102241213 in words is "two billion, one hundred two million, two hundred forty-one thousand, two hundred thirteen".
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