Base | Representation |
---|---|
bin | 111110100111101… |
… | …1101000100001011 |
3 | 12102102210011221011 |
4 | 1331033131010023 |
5 | 13300402000321 |
6 | 544300024351 |
7 | 103032634612 |
oct | 17517350413 |
9 | 5372704834 |
10 | 2101203211 |
11 | 989090088 |
12 | 4a78320b7 |
13 | 27641c713 |
14 | 15d0c0879 |
15 | c4703ae1 |
hex | 7d3dd10b |
2101203211 has 8 divisors (see below), whose sum is σ = 2128697280. Its totient is φ = 2073731712.
The previous prime is 2101203187. The next prime is 2101203227. The reversal of 2101203211 is 1123021012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2101203211 - 211 = 2101201163 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2101203191 and 2101203200.
It is not an unprimeable number, because it can be changed into a prime (2101203241) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265731 + ... + 273523.
It is an arithmetic number, because the mean of its divisors is an integer number (266087160).
Almost surely, 22101203211 is an apocalyptic number.
2101203211 is a deficient number, since it is larger than the sum of its proper divisors (27494069).
2101203211 is an equidigital number, since it uses as much as digits as its factorization.
2101203211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11285.
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 2101203211 is about 45838.8831779309. The cubic root of 2101203211 is about 1280.8236908222.
Adding to 2101203211 its reverse (1123021012), we get a palindrome (3224224223).
The spelling of 2101203211 in words is "two billion, one hundred one million, two hundred three thousand, two hundred eleven".
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