Base | Representation |
---|---|
bin | 1011101100110110111… |
… | …1001101100000110011 |
3 | 201012212102222021012001 |
4 | 2323031233031200303 |
5 | 11243142132413021 |
6 | 232203012314431 |
7 | 20344316341660 |
oct | 2731557154063 |
9 | 635772867161 |
10 | 201020201011 |
11 | 78285732333 |
12 | 32b61312a17 |
13 | 15c577b0106 |
14 | 9a2d7aaa67 |
15 | 5367ce6091 |
hex | 2ecdbcd833 |
201020201011 has 8 divisors (see below), whose sum is σ = 231967833344. Its totient is φ = 170630183880.
The previous prime is 201020200999. The next prime is 201020201029. The reversal of 201020201011 is 110102020102.
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 201020201011 - 211 = 201020198963 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (201020205011) 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, 139403025 + ... + 139404466.
It is an arithmetic number, because the mean of its divisors is an integer number (28995979168).
Almost surely, 2201020201011 is an apocalyptic number.
201020201011 is a deficient number, since it is larger than the sum of its proper divisors (30947632333).
201020201011 is a wasteful number, since it uses less digits than its factorization.
201020201011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 278807601.
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 201020201011 its reverse (110102020102), we get a palindrome (311122221113).
It can be divided in two parts, 20102020101 and 1, that added together give a palindrome (20102020102).
The spelling of 201020201011 in words is "two hundred one billion, twenty million, two hundred one thousand, eleven".
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