Base | Representation |
---|---|
bin | 1011101100110110111… |
… | …1111110111000101001 |
3 | 201012212110100112121001 |
4 | 2323031233332320221 |
5 | 11243142210400431 |
6 | 232203020515001 |
7 | 20344321143400 |
oct | 2731557767051 |
9 | 635773315531 |
10 | 201020403241 |
11 | 78285860269 |
12 | 32b613aba61 |
13 | 15c57851188 |
14 | 9a2d820637 |
15 | 5367d35e61 |
hex | 2ecdbfee29 |
201020403241 has 12 divisors (see below), whose sum is σ = 238252140612. Its totient is φ = 169052196768.
The previous prime is 201020403229. The next prime is 201020403271. The reversal of 201020403241 is 142304020102.
It can be written as a sum of positive squares in 2 ways, for example, as 185764448016 + 15255955225 = 431004^2 + 123515^2 .
It is not a de Polignac number, because 201020403241 - 219 = 201019878953 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (201020403271) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38699830 + ... + 38705023.
It is an arithmetic number, because the mean of its divisors is an integer number (19854345051).
Almost surely, 2201020403241 is an apocalyptic number.
It is an amenable number.
201020403241 is a deficient number, since it is larger than the sum of its proper divisors (37231737371).
201020403241 is an equidigital number, since it uses as much as digits as its factorization.
201020403241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77404920 (or 77404913 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 19.
Adding to 201020403241 its reverse (142304020102), we get a palindrome (343324423343).
The spelling of 201020403241 in words is "two hundred one billion, twenty million, four hundred three thousand, two hundred forty-one".
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