Base | Representation |
---|---|
bin | 10010101110101010… |
… | …010111010010100011 |
3 | 1220220111220112020102 |
4 | 102232222113102203 |
5 | 312141203211321 |
6 | 13123303333015 |
7 | 1311230652320 |
oct | 225652272243 |
9 | 56814815212 |
10 | 20110210211 |
11 | 858a764643 |
12 | 3a92a5116b |
13 | 1b86484890 |
14 | d8abb3b47 |
15 | 7ca78ac0b |
hex | 4aea974a3 |
20110210211 has 16 divisors (see below), whose sum is σ = 25277650944. Its totient is φ = 15572831904.
The previous prime is 20110210207. The next prime is 20110210243. The reversal of 20110210211 is 11201201102.
It is not a de Polignac number, because 20110210211 - 22 = 20110210207 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20110210192 and 20110210201.
It is not an unprimeable number, because it can be changed into a prime (20110212211) 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, 2346695 + ... + 2355248.
It is an arithmetic number, because the mean of its divisors is an integer number (1579853184).
Almost surely, 220110210211 is an apocalyptic number.
20110210211 is a deficient number, since it is larger than the sum of its proper divisors (5167440733).
20110210211 is a wasteful number, since it uses less digits than its factorization.
20110210211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4702010.
The product of its (nonzero) digits is 8, while the sum is 11.
Adding to 20110210211 its reverse (11201201102), we get a palindrome (31311411313).
The spelling of 20110210211 in words is "twenty billion, one hundred ten million, two hundred ten thousand, two hundred eleven".
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