Base | Representation |
---|---|
bin | 10110010110110001… |
… | …10111111110111001 |
3 | 1010222110022110121111 |
4 | 23023120313332321 |
5 | 144040032331301 |
6 | 5302545240321 |
7 | 603266162533 |
oct | 131330677671 |
9 | 33873273544 |
10 | 12002230201 |
11 | 50a9a45215 |
12 | 23ab6330a1 |
13 | 1193765980 |
14 | 81c03c853 |
15 | 4a3a61551 |
hex | 2cb637fb9 |
12002230201 has 4 divisors (see below), whose sum is σ = 12925478692. Its totient is φ = 11078981712.
The previous prime is 12002230187. The next prime is 12002230217. The reversal of 12002230201 is 10203220021.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10203220021 = 17 ⋅600189413.
It can be written as a sum of positive squares in 2 ways, for example, as 3563970601 + 8438259600 = 59699^2 + 91860^2 .
It is a cyclic number.
It is not a de Polignac number, because 12002230201 - 213 = 12002222009 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 923248477 = 12002230201 / (1 + 2 + 0 + 0 + 2 + 2 + 3 + 0 + 2 + 0 + 1).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12002230271) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461624226 + ... + 461624251.
It is an arithmetic number, because the mean of its divisors is an integer number (3231369673).
Almost surely, 212002230201 is an apocalyptic number.
It is an amenable number.
12002230201 is a deficient number, since it is larger than the sum of its proper divisors (923248491).
12002230201 is an equidigital number, since it uses as much as digits as its factorization.
12002230201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 923248490.
The product of its (nonzero) digits is 48, while the sum is 13.
Adding to 12002230201 its reverse (10203220021), we get a palindrome (22205450222).
The spelling of 12002230201 in words is "twelve billion, two million, two hundred thirty thousand, two hundred one".
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