Base | Representation |
---|---|
bin | 10010101010000100… |
… | …010010111011010101 |
3 | 1220201010212001002200 |
4 | 102222010102323111 |
5 | 312011434401010 |
6 | 13111511155113 |
7 | 1306303504341 |
oct | 225204227325 |
9 | 56633761080 |
10 | 20033122005 |
11 | 85501a2086 |
12 | 3a71075a99 |
13 | 1b73503960 |
14 | d80868621 |
15 | 7c3b0ecc0 |
hex | 4aa112ed5 |
20033122005 has 48 divisors (see below), whose sum is σ = 37414047216. Its totient is φ = 9857479680.
The previous prime is 20033122003. The next prime is 20033122027. The reversal of 20033122005 is 50022133002.
It can be written as a sum of positive squares in 8 ways, for example, as 180875601 + 19852246404 = 13449^2 + 140898^2 .
It is not a de Polignac number, because 20033122005 - 21 = 20033122003 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20033122001) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1326879 + ... + 1341891.
It is an arithmetic number, because the mean of its divisors is an integer number (779459317).
Almost surely, 220033122005 is an apocalyptic number.
It is an amenable number.
20033122005 is a deficient number, since it is larger than the sum of its proper divisors (17380925211).
20033122005 is a wasteful number, since it uses less digits than its factorization.
20033122005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17318 (or 17315 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
Adding to 20033122005 its reverse (50022133002), we get a palindrome (70055255007).
The spelling of 20033122005 in words is "twenty billion, thirty-three million, one hundred twenty-two thousand, five".
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