Base | Representation |
---|---|
bin | 10100111000100110… |
… | …01110011100101010 |
3 | 1001221101202210121220 |
4 | 22130103032130222 |
5 | 140430312021302 |
6 | 5052324442510 |
7 | 544564204431 |
oct | 123423163452 |
9 | 31841683556 |
10 | 11212220202 |
11 | 4834007a97 |
12 | 220ab49436 |
13 | 1098b9cc31 |
14 | 785154118 |
15 | 45950e4bc |
hex | 29c4ce72a |
11212220202 has 16 divisors (see below), whose sum is σ = 22708295040. Its totient is φ = 3690097632.
The previous prime is 11212220179. The next prime is 11212220231. The reversal of 11212220202 is 20202221211.
11212220202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
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, 11826763 + ... + 11827710.
It is an arithmetic number, because the mean of its divisors is an integer number (1419268440).
Almost surely, 211212220202 is an apocalyptic number.
11212220202 is an abundant number, since it is smaller than the sum of its proper divisors (11496074838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11212220202 is a wasteful number, since it uses less digits than its factorization.
11212220202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23654557.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 11212220202 its reverse (20202221211), we get a palindrome (31414441413).
The spelling of 11212220202 in words is "eleven billion, two hundred twelve million, two hundred twenty thousand, two hundred two".
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