Base | Representation |
---|---|
bin | 100100000110001… |
… | …1001110101110010 |
3 | 10010102002220022012 |
4 | 1020030121311302 |
5 | 4440032223442 |
6 | 320104242522 |
7 | 42005060522 |
oct | 11014316562 |
9 | 3112086265 |
10 | 1211211122 |
11 | 571773930 |
12 | 299770442 |
13 | 163c1b394 |
14 | b6c0b682 |
15 | 71502582 |
hex | 48319d72 |
1211211122 has 8 divisors (see below), whose sum is σ = 1981981872. Its totient is φ = 550550500.
The previous prime is 1211211077. The next prime is 1211211203. The reversal of 1211211122 is 2211121121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a nude number because it is divisible by every one of its digits.
It is a junction number, because it is equal to n+sod(n) for n = 1211211097 and 1211211106.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27527504 + ... + 27527547.
It is an arithmetic number, because the mean of its divisors is an integer number (247747734).
Almost surely, 21211211122 is an apocalyptic number.
1211211122 is a deficient number, since it is larger than the sum of its proper divisors (770770750).
1211211122 is a wasteful number, since it uses less digits than its factorization.
1211211122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55055064.
The product of its digits is 16, while the sum is 14.
The square root of 1211211122 is about 34802.4585625786. The cubic root of 1211211122 is about 1065.9576483262.
Adding to 1211211122 its reverse (2211121121), we get a palindrome (3422332243).
Subtracting 1211211122 from its reverse (2211121121), we obtain a palindrome (999909999).
The spelling of 1211211122 in words is "one billion, two hundred eleven million, two hundred eleven thousand, one hundred twenty-two".
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