Base | Representation |
---|---|
bin | 111111001011111… |
… | …1101011100100011 |
3 | 12110202112211122010 |
4 | 1332113331130203 |
5 | 13320233211321 |
6 | 550215244003 |
7 | 103353326610 |
oct | 17627753443 |
9 | 5422484563 |
10 | 2120210211 |
11 | 998892349 |
12 | 4b2079603 |
13 | 27a345b72 |
14 | 16182b507 |
15 | c620a676 |
hex | 7e5fd723 |
2120210211 has 16 divisors (see below), whose sum is σ = 3234816000. Its totient is φ = 1210041408.
The previous prime is 2120210203. The next prime is 2120210221. The reversal of 2120210211 is 1120120212.
It is not a de Polignac number, because 2120210211 - 23 = 2120210203 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2120210201) 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, 45411 + ... + 79388.
It is an arithmetic number, because the mean of its divisors is an integer number (202176000).
Almost surely, 22120210211 is an apocalyptic number.
2120210211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2120210211 is a deficient number, since it is larger than the sum of its proper divisors (1114605789).
2120210211 is a wasteful number, since it uses less digits than its factorization.
2120210211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 125618.
The product of its (nonzero) digits is 16, while the sum is 12.
The square root of 2120210211 is about 46045.7404218892. The cubic root of 2120210211 is about 1284.6741160113.
Adding to 2120210211 its reverse (1120120212), we get a palindrome (3240330423).
It can be divided in two parts, 21202 and 10211, that added together give a palindrome (31413).
The spelling of 2120210211 in words is "two billion, one hundred twenty million, two hundred ten thousand, two hundred eleven".
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