Base | Representation |
---|---|
bin | 10010101010101010… |
… | …100001110100111110 |
3 | 1220201211201020101120 |
4 | 102222222201310332 |
5 | 312022021111020 |
6 | 13112510051410 |
7 | 1306454626434 |
oct | 225252416476 |
9 | 56654636346 |
10 | 20043144510 |
11 | 8555918144 |
12 | 3a744a9b66 |
13 | 1b7560282c |
14 | d81d16d54 |
15 | 7c493e740 |
hex | 4aaaa1d3e |
20043144510 has 128 divisors (see below), whose sum is σ = 49686773760. Its totient is φ = 5172585600.
The previous prime is 20043144509. The next prime is 20043144547. The reversal of 20043144510 is 1544134002.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52331779 + ... + 52332161.
It is an arithmetic number, because the mean of its divisors is an integer number (388177920).
Almost surely, 220043144510 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20043144510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24843386880).
20043144510 is an abundant number, since it is smaller than the sum of its proper divisors (29643629250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20043144510 is a wasteful number, since it uses less digits than its factorization.
20043144510 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 854.
The product of its (nonzero) digits is 1920, while the sum is 24.
Adding to 20043144510 its reverse (1544134002), we get a palindrome (21587278512).
The spelling of 20043144510 in words is "twenty billion, forty-three million, one hundred forty-four thousand, five hundred ten".
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