Base | Representation |
---|---|
bin | 1011101100110110111… |
… | …1111110110101000101 |
3 | 201012212110100112021121 |
4 | 2323031233332311011 |
5 | 11243142210344023 |
6 | 232203020513541 |
7 | 20344321142623 |
oct | 2731557766505 |
9 | 635773315247 |
10 | 201020403013 |
11 | 78285860081 |
12 | 32b613ab8b1 |
13 | 15c57851041 |
14 | 9a2d820513 |
15 | 5367d35d5d |
hex | 2ecdbfed45 |
201020403013 has 16 divisors (see below), whose sum is σ = 215644667904. Its totient is φ = 186722807040.
The previous prime is 201020402981. The next prime is 201020403037. The reversal of 201020403013 is 310304020102.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 201020403013 - 25 = 201020402981 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201020403083) 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, 168631 + ... + 656107.
It is an arithmetic number, because the mean of its divisors is an integer number (13477791744).
Almost surely, 2201020403013 is an apocalyptic number.
It is an amenable number.
201020403013 is a deficient number, since it is larger than the sum of its proper divisors (14624264891).
201020403013 is a wasteful number, since it uses less digits than its factorization.
201020403013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 487812.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 201020403013 its reverse (310304020102), we get a palindrome (511324423115).
The spelling of 201020403013 in words is "two hundred one billion, twenty million, four hundred three thousand, thirteen".
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