Base | Representation |
---|---|
bin | 10010110100000101… |
… | …100000000101011001 |
3 | 1221010212010210202102 |
4 | 102310011200011121 |
5 | 312333002211301 |
6 | 13140314013145 |
7 | 1313414311364 |
oct | 226405400531 |
9 | 57125123672 |
10 | 20201210201 |
11 | 8627069247 |
12 | 3ab94171b5 |
13 | 1b9c296a23 |
14 | d98d010db |
15 | 7d3763b6b |
hex | 4b4160159 |
20201210201 has 8 divisors (see below), whose sum is σ = 21528025344. Its totient is φ = 18911770240.
The previous prime is 20201210179. The next prime is 20201210207. The reversal of 20201210201 is 10201210202.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20201210201 - 218 = 20200948057 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20201210207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9342680 + ... + 9344841.
It is an arithmetic number, because the mean of its divisors is an integer number (2691003168).
Almost surely, 220201210201 is an apocalyptic number.
It is an amenable number.
20201210201 is a deficient number, since it is larger than the sum of its proper divisors (1326815143).
20201210201 is a wasteful number, since it uses less digits than its factorization.
20201210201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18687591.
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 20201210201 its reverse (10201210202), we get a palindrome (30402420403).
Subtracting from 20201210201 its reverse (10201210202), we obtain a palindrome (9999999999).
The spelling of 20201210201 in words is "twenty billion, two hundred one million, two hundred ten thousand, two hundred one".
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