Base | Representation |
---|---|
bin | 1001001001000011010010… |
… | …10001011001010101111101 |
3 | 2122011202022210110122111111 |
4 | 10210201221101121111331 |
5 | 10113323313024110323 |
6 | 110430455035522021 |
7 | 4143223403113330 |
oct | 444415121312575 |
9 | 78152283418444 |
10 | 20102213113213 |
11 | 6450334269920 |
12 | 2307b3a5b9311 |
13 | b2a82746670a |
14 | 4d6d491b0617 |
15 | 24cd8852cc0d |
hex | 12486945957d |
20102213113213 has 16 divisors (see below), whose sum is σ = 25870967193600. Its totient is φ = 15158769836400.
The previous prime is 20102213113183. The next prime is 20102213113223. The reversal of 20102213113213 is 31231131220102.
It is a cyclic number.
It is not a de Polignac number, because 20102213113213 - 229 = 20101676242301 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20102213113223) 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, 4210767013 + ... + 4210771786.
It is an arithmetic number, because the mean of its divisors is an integer number (1616935449600).
Almost surely, 220102213113213 is an apocalyptic number.
It is an amenable number.
20102213113213 is a deficient number, since it is larger than the sum of its proper divisors (5768754080387).
20102213113213 is a wasteful number, since it uses less digits than its factorization.
20102213113213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8421538848.
The product of its (nonzero) digits is 432, while the sum is 22.
Adding to 20102213113213 its reverse (31231131220102), we get a palindrome (51333344333315).
The spelling of 20102213113213 in words is "twenty trillion, one hundred two billion, two hundred thirteen million, one hundred thirteen thousand, two hundred thirteen".
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