Base | Representation |
---|---|
bin | 10100101011001111… |
… | …001000010111111111 |
3 | 2010022011122012010001 |
4 | 110223033020113333 |
5 | 330431224120411 |
6 | 14110523455131 |
7 | 1414066532614 |
oct | 245317102777 |
9 | 63264565101 |
10 | 22200223231 |
11 | 94624a132a |
12 | 43769874a7 |
13 | 212a486a84 |
14 | 11085c050b |
15 | 89decddc1 |
hex | 52b3c85ff |
22200223231 has 16 divisors (see below), whose sum is σ = 24292589760. Its totient is φ = 20221850880.
The previous prime is 22200223217. The next prime is 22200223327. The reversal of 22200223231 is 13232200222.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-22200223231 is a prime.
It is a super-2 number, since 2×222002232312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 22200223199 and 22200223208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22200229231) 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, 179280 + ... + 276661.
It is an arithmetic number, because the mean of its divisors is an integer number (1518286860).
Almost surely, 222200223231 is an apocalyptic number.
22200223231 is a deficient number, since it is larger than the sum of its proper divisors (2092366529).
22200223231 is a wasteful number, since it uses less digits than its factorization.
22200223231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 456066.
The product of its (nonzero) digits is 576, while the sum is 19.
Adding to 22200223231 its reverse (13232200222), we get a palindrome (35432423453).
The spelling of 22200223231 in words is "twenty-two billion, two hundred million, two hundred twenty-three thousand, two hundred thirty-one".
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