Base | Representation |
---|---|
bin | 111011101001000… |
… | …0000101101100011 |
3 | 12011110122000022201 |
4 | 1313102000231203 |
5 | 13044302211321 |
6 | 530324514031 |
7 | 100410002050 |
oct | 16722005543 |
9 | 5143560281 |
10 | 2001210211 |
11 | 9376a3940 |
12 | 47a24b917 |
13 | 25b7ac170 |
14 | 14dad2027 |
15 | baa51291 |
hex | 77480b63 |
2001210211 has 16 divisors (see below), whose sum is σ = 2686940928. Its totient is φ = 1439431200.
The previous prime is 2001210187. The next prime is 2001210223. The reversal of 2001210211 is 1120121002.
It is a cyclic number.
It is not a de Polignac number, because 2001210211 - 25 = 2001210179 is a prime.
It is a super-2 number, since 2×20012102112 = 8009684617221329042, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2001210241) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 998605 + ... + 1000606.
It is an arithmetic number, because the mean of its divisors is an integer number (167933808).
Almost surely, 22001210211 is an apocalyptic number.
2001210211 is a deficient number, since it is larger than the sum of its proper divisors (685730717).
2001210211 is a wasteful number, since it uses less digits than its factorization.
2001210211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1999242.
The product of its (nonzero) digits is 8, while the sum is 10.
The square root of 2001210211 is about 44734.8880740748. Note that the first 3 decimals coincide. The cubic root of 2001210211 is about 1260.1751270396.
Adding to 2001210211 its reverse (1120121002), we get a palindrome (3121331213).
It can be divided in two parts, 2001 and 210211, that added together give a palindrome (212212).
The spelling of 2001210211 in words is "two billion, one million, two hundred ten thousand, two hundred eleven".
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