Base | Representation |
---|---|
bin | 10010101111010000… |
… | …100000101100100011 |
3 | 1220221012201120122210 |
4 | 102233100200230203 |
5 | 312201233211321 |
6 | 13124301533203 |
7 | 1311411651663 |
oct | 225720405443 |
9 | 56835646583 |
10 | 20120210211 |
11 | 8595374802 |
12 | 3a96274203 |
13 | 1b8857643a |
14 | d8c2581a3 |
15 | 7cb5b3b76 |
hex | 4af420b23 |
20120210211 has 16 divisors (see below), whose sum is σ = 27002419200. Its totient is φ = 13325880288.
The previous prime is 20120210203. The next prime is 20120210219. The reversal of 20120210211 is 11201202102.
It is an interprime number because it is at equal distance from previous prime (20120210203) and next prime (20120210219).
It is not a de Polignac number, because 20120210211 - 23 = 20120210203 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20120210219) 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, 566485 + ... + 600953.
It is an arithmetic number, because the mean of its divisors is an integer number (1687651200).
Almost surely, 220120210211 is an apocalyptic number.
20120210211 is a deficient number, since it is larger than the sum of its proper divisors (6882208989).
20120210211 is a wasteful number, since it uses less digits than its factorization.
20120210211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35738.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 20120210211 its reverse (11201202102), we get a palindrome (31321412313).
It can be divided in two parts, 201202102 and 11, that multiplied together give a palindrome (2213223122).
The spelling of 20120210211 in words is "twenty billion, one hundred twenty million, two hundred ten thousand, two hundred eleven".
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