Base | Representation |
---|---|
bin | 10010101000000110… |
… | …110101011011110001 |
3 | 1220121211222010010211 |
4 | 102220012311123301 |
5 | 311430024430301 |
6 | 13104334224121 |
7 | 1305424114534 |
oct | 225006653361 |
9 | 56554863124 |
10 | 20000233201 |
11 | 8533679253 |
12 | 3a62055041 |
13 | 1b69759b20 |
14 | d7a346a1b |
15 | 7c0cb5051 |
hex | 4a81b56f1 |
20000233201 has 16 divisors (see below), whose sum is σ = 21647480400. Its totient is φ = 18368759808.
The previous prime is 20000233199. The next prime is 20000233217. The reversal of 20000233201 is 10233200002.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 344473600 + 19655759601 = 18560^2 + 140199^2 .
It is a cyclic number.
It is not a de Polignac number, because 20000233201 - 21 = 20000233199 is a prime.
It is a super-3 number, since 3×200002332013 (a number of 32 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is not an unprimeable number, because it can be changed into a prime (20000233241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2225445 + ... + 2234413.
It is an arithmetic number, because the mean of its divisors is an integer number (1352967525).
Almost surely, 220000233201 is an apocalyptic number.
It is an amenable number.
20000233201 is a deficient number, since it is larger than the sum of its proper divisors (1647247199).
20000233201 is a wasteful number, since it uses less digits than its factorization.
20000233201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9828.
The product of its (nonzero) digits is 72, while the sum is 13.
Adding to 20000233201 its reverse (10233200002), we get a palindrome (30233433203).
The spelling of 20000233201 in words is "twenty billion, two hundred thirty-three thousand, two hundred one".
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