Base | Representation |
---|---|
bin | 1010010011100100000011… |
… | …0100000111100101010100 |
3 | 1111010020211120211110010111 |
4 | 2210321000310013211110 |
5 | 2441122310022144340 |
6 | 40033253031332404 |
7 | 2246436655303441 |
oct | 244710064074524 |
9 | 44106746743114 |
10 | 11331211131220 |
11 | 36795a3309032 |
12 | 1330093821104 |
13 | 6426b4508936 |
14 | 2b260d90c9c8 |
15 | 149b3de7aaea |
hex | a4e40d07954 |
11331211131220 has 48 divisors (see below), whose sum is σ = 24175042593408. Its totient is φ = 4460736329600.
The previous prime is 11331211131187. The next prime is 11331211131221. The reversal of 11331211131220 is 2213111213311.
It is a junction number, because it is equal to n+sod(n) for n = 11331211131191 and 11331211131200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11331211131221) 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, 16457602 + ... + 17132281.
It is an arithmetic number, because the mean of its divisors is an integer number (503646720696).
Almost surely, 211331211131220 is an apocalyptic number.
11331211131220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
11331211131220 is an abundant number, since it is smaller than the sum of its proper divisors (12843831462188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11331211131220 is a wasteful number, since it uses less digits than its factorization.
11331211131220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33590160 (or 33590158 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 22.
Adding to 11331211131220 its reverse (2213111213311), we get a palindrome (13544322344531).
The spelling of 11331211131220 in words is "eleven trillion, three hundred thirty-one billion, two hundred eleven million, one hundred thirty-one thousand, two hundred twenty".
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