Base | Representation |
---|---|
bin | 11110100011111101101… |
… | …111110110100001110011 |
3 | 21102202222122010020110012 |
4 | 132203331233312201303 |
5 | 233402203003021321 |
6 | 4244452532525135 |
7 | 304506641552303 |
oct | 36437557664163 |
9 | 7382878106405 |
10 | 2100201220211 |
11 | 73a765922686 |
12 | 29b0491807ab |
13 | 123081967613 |
14 | 7391652d603 |
15 | 3996ec1305b |
hex | 1e8fdbf6873 |
2100201220211 has 4 divisors (see below), whose sum is σ = 2100224967624. Its totient is φ = 2100177472800.
The previous prime is 2100201220193. The next prime is 2100201220231. The reversal of 2100201220211 is 1120221020012.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2100201220211 - 234 = 2083021351027 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2100201220231) 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, 11740550 + ... + 11918091.
It is an arithmetic number, because the mean of its divisors is an integer number (525056241906).
Almost surely, 22100201220211 is an apocalyptic number.
2100201220211 is a deficient number, since it is larger than the sum of its proper divisors (23747413).
2100201220211 is an equidigital number, since it uses as much as digits as its factorization.
2100201220211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23747412.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 2100201220211 its reverse (1120221020012), we get a palindrome (3220422240223).
The spelling of 2100201220211 in words is "two trillion, one hundred billion, two hundred one million, two hundred twenty thousand, two hundred eleven".
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