Base | Representation |
---|---|
bin | 10010101110101001… |
… | …101001010111010101 |
3 | 1220220111112222012101 |
4 | 102232221221113111 |
5 | 312141131201401 |
6 | 13123255322101 |
7 | 1311226240021 |
oct | 225651512725 |
9 | 56814488171 |
10 | 20110022101 |
11 | 858a646284 |
12 | 3a92980331 |
13 | 1b8641a080 |
14 | d8ab65381 |
15 | 7ca750101 |
hex | 4aea695d5 |
20110022101 has 16 divisors (see below), whose sum is σ = 22626092160. Its totient is φ = 17734368960.
The previous prime is 20110022057. The next prime is 20110022113. The reversal of 20110022101 is 10122001102.
It is not a de Polignac number, because 20110022101 - 211 = 20110020053 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 (20110022201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207306 + ... + 288436.
It is an arithmetic number, because the mean of its divisors is an integer number (1414130760).
Almost surely, 220110022101 is an apocalyptic number.
It is an amenable number.
20110022101 is a deficient number, since it is larger than the sum of its proper divisors (2516070059).
20110022101 is a wasteful number, since it uses less digits than its factorization.
20110022101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81996.
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 20110022101 its reverse (10122001102), we get a palindrome (30232023203).
The spelling of 20110022101 in words is "twenty billion, one hundred ten million, twenty-two thousand, one hundred one".
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