Base | Representation |
---|---|
bin | 10110100101000101… |
… | …00001111110011011 |
3 | 1011021211001122222212 |
4 | 23102202201332123 |
5 | 144311240431021 |
6 | 5322512505335 |
7 | 606254005553 |
oct | 132242417633 |
9 | 34254048885 |
10 | 12122202011 |
11 | 5160737877 |
12 | 242384b24b |
13 | 11b257caca |
14 | 82dd4c163 |
15 | 4ae35d85b |
hex | 2d28a1f9b |
12122202011 has 6 divisors (see below), whose sum is σ = 12132213636. Its totient is φ = 12112197500.
The previous prime is 12122202007. The next prime is 12122202091. The reversal of 12122202011 is 11020222121.
It is not a de Polignac number, because 12122202011 - 22 = 12122202007 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12122202091) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3727136 + ... + 3730386.
It is an arithmetic number, because the mean of its divisors is an integer number (2022035606).
Almost surely, 212122202011 is an apocalyptic number.
12122202011 is a deficient number, since it is larger than the sum of its proper divisors (10011625).
12122202011 is an frugal number, since it uses more digits than its factorization.
12122202011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7113 (or 5182 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 12122202011 its reverse (11020222121), we get a palindrome (23142424132).
The spelling of 12122202011 in words is "twelve billion, one hundred twenty-two million, two hundred two thousand, eleven".
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