Base | Representation |
---|---|
bin | 1010000000110111110100… |
… | …10101001100101011000111 |
3 | 2212222002222202100110212202 |
4 | 11000123322111030223013 |
5 | 10341234333232021411 |
6 | 114455535150505115 |
7 | 4431623065406135 |
oct | 500337225145307 |
9 | 85862882313782 |
10 | 22020202220231 |
11 | 701a7960a69a6 |
12 | 25777b520519b |
13 | c3965b0a6777 |
14 | 561ad7bd2755 |
15 | 282be172683b |
hex | 1406fa54cac7 |
22020202220231 has 36 divisors (see below), whose sum is σ = 23071068137520. Its totient is φ = 21016301967360.
The previous prime is 22020202220221. The next prime is 22020202220281. The reversal of 22020202220231 is 13202220202022.
It is not a de Polignac number, because 22020202220231 - 218 = 22020201958087 is a prime.
It is a super-2 number, since 2×220202022202312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22020202220221) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11719106150 + ... + 11719108028.
It is an arithmetic number, because the mean of its divisors is an integer number (640863003820).
Almost surely, 222020202220231 is an apocalyptic number.
22020202220231 is a deficient number, since it is larger than the sum of its proper divisors (1050865917289).
22020202220231 is an equidigital number, since it uses as much as digits as its factorization.
22020202220231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3612 (or 3486 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
Adding to 22020202220231 its reverse (13202220202022), we get a palindrome (35222422422253).
The spelling of 22020202220231 in words is "twenty-two trillion, twenty billion, two hundred two million, two hundred twenty thousand, two hundred thirty-one".
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