Base | Representation |
---|---|
bin | 10010110101111111… |
… | …100101000100110011 |
3 | 1221020002100200021001 |
4 | 102311333211010303 |
5 | 312414200242321 |
6 | 13143415542431 |
7 | 1314253315612 |
oct | 226577450463 |
9 | 57202320231 |
10 | 20233212211 |
11 | 8643136893 |
12 | 3b0808aa17 |
13 | 1ba5ac0024 |
14 | d9d271879 |
15 | 7d6485c91 |
hex | 4b5fe5133 |
20233212211 has 8 divisors (see below), whose sum is σ = 20381446800. Its totient is φ = 20085471840.
The previous prime is 20233212179. The next prime is 20233212227. The reversal of 20233212211 is 11221233202.
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 20233212211 - 25 = 20233212179 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20233212011) 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, 41176 + ... + 205333.
It is an arithmetic number, because the mean of its divisors is an integer number (2547680850).
Almost surely, 220233212211 is an apocalyptic number.
20233212211 is a deficient number, since it is larger than the sum of its proper divisors (148234589).
20233212211 is a wasteful number, since it uses less digits than its factorization.
20233212211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 247109.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 20233212211 its reverse (11221233202), we get a palindrome (31454445413).
The spelling of 20233212211 in words is "twenty billion, two hundred thirty-three million, two hundred twelve thousand, two hundred eleven".
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