Base | Representation |
---|---|
bin | 10010110100000001… |
… | …000000000000100011 |
3 | 1221010202220212011021 |
4 | 102310001000000203 |
5 | 312332201431433 |
6 | 13140232430311 |
7 | 1313401265311 |
oct | 226401000043 |
9 | 57122825137 |
10 | 20200030243 |
11 | 8626432778 |
12 | 3ab8b48397 |
13 | 1b9bc72923 |
14 | d98ab50b1 |
15 | 7d35ce22d |
hex | 4b4040023 |
20200030243 has 8 divisors (see below), whose sum is σ = 20947687200. Its totient is φ = 19455780288.
The previous prime is 20200030223. The next prime is 20200030261. The reversal of 20200030243 is 34203000202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20200030243 - 25 = 20200030211 is a prime.
It is a super-2 number, since 2×202000302432 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20200030223) 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, 839671 + ... + 863392.
It is an arithmetic number, because the mean of its divisors is an integer number (2618460900).
Almost surely, 220200030243 is an apocalyptic number.
20200030243 is a deficient number, since it is larger than the sum of its proper divisors (747656957).
20200030243 is a wasteful number, since it uses less digits than its factorization.
20200030243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1703501.
The product of its (nonzero) digits is 288, while the sum is 16.
Adding to 20200030243 its reverse (34203000202), we get a palindrome (54403030445).
The spelling of 20200030243 in words is "twenty billion, two hundred million, thirty thousand, two hundred forty-three".
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