Base | Representation |
---|---|
bin | 10010101111111101… |
… | …100100001010001001 |
3 | 1220222000221121211201 |
4 | 102233331210022021 |
5 | 312212244131443 |
6 | 13125403024201 |
7 | 1311614232256 |
oct | 225775441211 |
9 | 56860847751 |
10 | 20132020873 |
11 | 85a1001288 |
12 | 3a9a20b061 |
13 | 1b8ab501b3 |
14 | d8da5042d |
15 | 7cc64834d |
hex | 4aff64289 |
20132020873 has 2 divisors, whose sum is σ = 20132020874. Its totient is φ = 20132020872.
The previous prime is 20132020861. The next prime is 20132020913. The reversal of 20132020873 is 37802023102.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 19767516409 + 364504464 = 140597^2 + 19092^2 .
It is a cyclic number.
It is not a de Polignac number, because 20132020873 - 221 = 20129923721 is a prime.
It is not a weakly prime, because it can be changed into another prime (20132020813) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066010436 + 10066010437.
It is an arithmetic number, because the mean of its divisors is an integer number (10066010437).
Almost surely, 220132020873 is an apocalyptic number.
It is an amenable number.
20132020873 is a deficient number, since it is larger than the sum of its proper divisors (1).
20132020873 is an equidigital number, since it uses as much as digits as its factorization.
20132020873 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4032, while the sum is 28.
Adding to 20132020873 its reverse (37802023102), we get a palindrome (57934043975).
The spelling of 20132020873 in words is "twenty billion, one hundred thirty-two million, twenty thousand, eight hundred seventy-three".
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