Base | Representation |
---|---|
bin | 1001000110101010100001… |
… | …11010111101100000000101 |
3 | 2121212220122011200222221121 |
4 | 10203111100322331200011 |
5 | 10111002332222401242 |
6 | 110325053014313541 |
7 | 4134261136625551 |
oct | 443252072754005 |
9 | 77786564628847 |
10 | 20020200200197 |
11 | 64195790a646a |
12 | 22b40706588b1 |
13 | b22b872b5b12 |
14 | 4d2da8d78861 |
15 | 24ab8849a667 |
hex | 123550ebd805 |
20020200200197 has 8 divisors (see below), whose sum is σ = 20302479092160. Its totient is φ = 19737929759520.
The previous prime is 20020200200171. The next prime is 20020200200251. The reversal of 20020200200197 is 79100200202002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20020200200197 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20020200209197) 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, 2736273 + ... + 6894025.
It is an arithmetic number, because the mean of its divisors is an integer number (2537809886520).
Almost surely, 220020200200197 is an apocalyptic number.
It is an amenable number.
20020200200197 is a deficient number, since it is larger than the sum of its proper divisors (282278891963).
20020200200197 is an equidigital number, since it uses as much as digits as its factorization.
20020200200197 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4225643.
The product of its (nonzero) digits is 1008, while the sum is 25.
Adding to 20020200200197 its reverse (79100200202002), we get a palindrome (99120400402199).
The spelling of 20020200200197 in words is "twenty trillion, twenty billion, two hundred million, two hundred thousand, one hundred ninety-seven".
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