Base | Representation |
---|---|
bin | 10110101111101010… |
… | …10110010110111001 |
3 | 1011112000012011001222 |
4 | 23113311112112321 |
5 | 200002010134431 |
6 | 5335404321425 |
7 | 611412653006 |
oct | 132765262671 |
9 | 34460164058 |
10 | 12211021241 |
11 | 51a6891aa1 |
12 | 2449543275 |
13 | 11c7aaa473 |
14 | 83ba6c8ad |
15 | 4b705557b |
hex | 2d7d565b9 |
12211021241 has 8 divisors (see below), whose sum is σ = 13152966144. Its totient is φ = 11303328960.
The previous prime is 12211021219. The next prime is 12211021247. The reversal of 12211021241 is 14212011221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12211021241 - 218 = 12210759097 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12211021247) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8562416 + ... + 8563841.
It is an arithmetic number, because the mean of its divisors is an integer number (1644120768).
Almost surely, 212211021241 is an apocalyptic number.
It is an amenable number.
12211021241 is a deficient number, since it is larger than the sum of its proper divisors (941944903).
12211021241 is a wasteful number, since it uses less digits than its factorization.
12211021241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17126311.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 12211021241 its reverse (14212011221), we get a palindrome (26423032462).
The spelling of 12211021241 in words is "twelve billion, two hundred eleven million, twenty-one thousand, two hundred forty-one".
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