Base | Representation |
---|---|
bin | 10110101111101011… |
… | …01001110110111001 |
3 | 1011112000100012122012 |
4 | 23113311221312321 |
5 | 200002020213423 |
6 | 5335410135305 |
7 | 611413434611 |
oct | 132765516671 |
9 | 34460305565 |
10 | 12211101113 |
11 | 51a6937002 |
12 | 2449581535 |
13 | 11c7b07923 |
14 | 83ba8da41 |
15 | 4b706e078 |
hex | 2d7d69db9 |
12211101113 has 4 divisors (see below), whose sum is σ = 12229246068. Its totient is φ = 12192956160.
The previous prime is 12211101101. The next prime is 12211101163. The reversal of 12211101113 is 31110111221.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 3652630969 + 8558470144 = 60437^2 + 92512^2 .
It is a cyclic number.
It is not a de Polignac number, because 12211101113 - 28 = 12211100857 is a prime.
It is a super-2 number, since 2×122111011132 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12211101163) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9071468 + ... + 9072813.
It is an arithmetic number, because the mean of its divisors is an integer number (3057311517).
Almost surely, 212211101113 is an apocalyptic number.
It is an amenable number.
12211101113 is a deficient number, since it is larger than the sum of its proper divisors (18144955).
12211101113 is an equidigital number, since it uses as much as digits as its factorization.
12211101113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18144954.
The product of its (nonzero) digits is 12, while the sum is 14.
Adding to 12211101113 its reverse (31110111221), we get a palindrome (43321212334).
The spelling of 12211101113 in words is "twelve billion, two hundred eleven million, one hundred one thousand, one hundred thirteen".
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