Base | Representation |
---|---|
bin | 10010101001010011… |
… | …000010110110011101 |
3 | 1220200020120002200001 |
4 | 102221103002312131 |
5 | 312000133223401 |
6 | 13110330334301 |
7 | 1306055662252 |
oct | 225123026635 |
9 | 56606502601 |
10 | 20020211101 |
11 | 8543983a10 |
12 | 3a6888a391 |
13 | 1b70933177 |
14 | d7cc67429 |
15 | 7c290e601 |
hex | 4a94c2d9d |
20020211101 has 8 divisors (see below), whose sum is σ = 21844137600. Its totient is φ = 18196935840.
The previous prime is 20020211093. The next prime is 20020211131. The reversal of 20020211101 is 10111202002.
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 20020211101 - 23 = 20020211093 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 (20020211131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97381 + ... + 222538.
It is an arithmetic number, because the mean of its divisors is an integer number (2730517200).
Almost surely, 220020211101 is an apocalyptic number.
It is an amenable number.
20020211101 is a deficient number, since it is larger than the sum of its proper divisors (1823926499).
20020211101 is a wasteful number, since it uses less digits than its factorization.
20020211101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 325619.
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 20020211101 its reverse (10111202002), we get a palindrome (30131413103).
Subtracting from 20020211101 its reverse (10111202002), we obtain a palindrome (9909009099).
The spelling of 20020211101 in words is "twenty billion, twenty million, two hundred eleven thousand, one hundred one".
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