Base | Representation |
---|---|
bin | 10110101110011000… |
… | …01001100110110001 |
3 | 1011111020212110001221 |
4 | 23113030021212301 |
5 | 144441224033410 |
6 | 5334341025041 |
7 | 611222111512 |
oct | 132714114661 |
9 | 34436773057 |
10 | 12200221105 |
11 | 51a0785766 |
12 | 24459b5181 |
13 | 11c5798657 |
14 | 83a45aa09 |
15 | 4b61204da |
hex | 2d73099b1 |
12200221105 has 8 divisors (see below), whose sum is σ = 15501457512. Its totient is φ = 9186048768.
The previous prime is 12200221069. The next prime is 12200221109. The reversal of 12200221105 is 50112200221.
It is a happy number.
12200221105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 5472448576 + 6727772529 = 73976^2 + 82023^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12200221105 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12200221109) by changing a digit.
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, 71765922 + ... + 71766091.
It is an arithmetic number, because the mean of its divisors is an integer number (1937682189).
Almost surely, 212200221105 is an apocalyptic number.
It is an amenable number.
12200221105 is a deficient number, since it is larger than the sum of its proper divisors (3301236407).
12200221105 is a wasteful number, since it uses less digits than its factorization.
12200221105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143532035.
The product of its (nonzero) digits is 80, while the sum is 16.
Adding to 12200221105 its reverse (50112200221), we get a palindrome (62312421326).
The spelling of 12200221105 in words is "twelve billion, two hundred million, two hundred twenty-one thousand, one hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •