Base | Representation |
---|---|
bin | 10010110101011101… |
… | …010111001000110111 |
3 | 1221012110110221202120 |
4 | 102311131113020313 |
5 | 312404401222411 |
6 | 13142455411023 |
7 | 1314114136224 |
oct | 226535271067 |
9 | 57173427676 |
10 | 20224242231 |
11 | 863906a586 |
12 | 3b05083a73 |
13 | 1ba3c9c24b |
14 | d9bdb894b |
15 | 7d57b3106 |
hex | 4b5757237 |
20224242231 has 8 divisors (see below), whose sum is σ = 27026528640. Its totient is φ = 13452391992.
The previous prime is 20224242221. The next prime is 20224242289. The reversal of 20224242231 is 13224242202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20224242231 - 234 = 3044373047 is a prime.
It is a super-2 number, since 2×202242422312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20224242211) 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, 7607491 + ... + 7610148.
It is an arithmetic number, because the mean of its divisors is an integer number (3378316080).
Almost surely, 220224242231 is an apocalyptic number.
20224242231 is a deficient number, since it is larger than the sum of its proper divisors (6802286409).
20224242231 is a wasteful number, since it uses less digits than its factorization.
20224242231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15218085.
The product of its (nonzero) digits is 3072, while the sum is 24.
Adding to 20224242231 its reverse (13224242202), we get a palindrome (33448484433).
The spelling of 20224242231 in words is "twenty billion, two hundred twenty-four million, two hundred forty-two thousand, two hundred thirty-one".
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