Base | Representation |
---|---|
bin | 10010110100010001… |
… | …110000100000100001 |
3 | 1221011002012001011102 |
4 | 102310101300200201 |
5 | 312334313020301 |
6 | 13140510524145 |
7 | 1313453522624 |
oct | 226421604041 |
9 | 57132161142 |
10 | 20204423201 |
11 | 8628963216 |
12 | 3aba506655 |
13 | 1b9cb50301 |
14 | d994d9dbb |
15 | 7d3b9ab6b |
hex | 4b4470821 |
20204423201 has 16 divisors (see below), whose sum is σ = 20781940608. Its totient is φ = 19632076800.
The previous prime is 20204423179. The next prime is 20204423207. The reversal of 20204423201 is 10232440202.
It is a cyclic number.
It is not a de Polignac number, because 20204423201 - 26 = 20204423137 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20204423207) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8570915 + ... + 8573271.
It is an arithmetic number, because the mean of its divisors is an integer number (1298871288).
Almost surely, 220204423201 is an apocalyptic number.
It is an amenable number.
20204423201 is a deficient number, since it is larger than the sum of its proper divisors (577517407).
20204423201 is a wasteful number, since it uses less digits than its factorization.
20204423201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3352.
The product of its (nonzero) digits is 768, while the sum is 20.
Adding to 20204423201 its reverse (10232440202), we get a palindrome (30436863403).
The spelling of 20204423201 in words is "twenty billion, two hundred four million, four hundred twenty-three thousand, two hundred one".
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