Base | Representation |
---|---|
bin | 1001001100010000001101… |
… | …10110011010101001101011 |
3 | 2122120021022010120112202211 |
4 | 10212020012312122221223 |
5 | 10122124122120220321 |
6 | 110553212025305551 |
7 | 4154166632656453 |
oct | 446100666325153 |
9 | 78507263515684 |
10 | 20212231023211 |
11 | 6492a60531a87 |
12 | 23253233352b7 |
13 | b3800b594646 |
14 | 4dc3c48d6d63 |
15 | 250b76eb20e1 |
hex | 126206d9aa6b |
20212231023211 has 8 divisors (see below), whose sum is σ = 20923042543200. Its totient is φ = 19502342039040.
The previous prime is 20212231023203. The next prime is 20212231023239. The reversal of 20212231023211 is 11232013221202.
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 20212231023211 - 23 = 20212231023203 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20212231023251) 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, 230589366 + ... + 230677003.
It is an arithmetic number, because the mean of its divisors is an integer number (2615380317900).
Almost surely, 220212231023211 is an apocalyptic number.
20212231023211 is a deficient number, since it is larger than the sum of its proper divisors (710811519989).
20212231023211 is a wasteful number, since it uses less digits than its factorization.
20212231023211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 461267909.
The product of its (nonzero) digits is 576, while the sum is 22.
Adding to 20212231023211 its reverse (11232013221202), we get a palindrome (31444244244413).
The spelling of 20212231023211 in words is "twenty trillion, two hundred twelve billion, two hundred thirty-one million, twenty-three thousand, two hundred eleven".
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