Base | Representation |
---|---|
bin | 10010110101110011… |
… | …111000000110111011 |
3 | 1221012212120211002000 |
4 | 102311303320012323 |
5 | 312412404110233 |
6 | 13143230112043 |
7 | 1314215250645 |
oct | 226563700673 |
9 | 57185524060 |
10 | 20230144443 |
11 | 8641430a43 |
12 | 3b0704b623 |
13 | 1ba5287892 |
14 | d9cab3895 |
15 | 7d607bd13 |
hex | 4b5cf81bb |
20230144443 has 16 divisors (see below), whose sum is σ = 30023840640. Its totient is φ = 13462797672.
The previous prime is 20230144409. The next prime is 20230144463. The reversal of 20230144443 is 34444103202.
It is a happy number.
20230144443 is a `hidden beast` number, since 202 + 3 + 0 + 14 + 4 + 443 = 666.
It is not a de Polignac number, because 20230144443 - 214 = 20230128059 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (20230144463) 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, 650221 + ... + 680622.
It is an arithmetic number, because the mean of its divisors is an integer number (1876490040).
Almost surely, 220230144443 is an apocalyptic number.
20230144443 is a deficient number, since it is larger than the sum of its proper divisors (9793696197).
20230144443 is a wasteful number, since it uses less digits than its factorization.
20230144443 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1331415 (or 1331409 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 27.
Adding to 20230144443 its reverse (34444103202), we get a palindrome (54674247645).
The spelling of 20230144443 in words is "twenty billion, two hundred thirty million, one hundred forty-four thousand, four hundred forty-three".
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