Base | Representation |
---|---|
bin | 10001101000111101100… |
… | …001101010101001111001 |
3 | 11021212221012122110101110 |
4 | 101220331201222221321 |
5 | 124330103012404423 |
6 | 2324514415510533 |
7 | 153402524413164 |
oct | 21507541525171 |
9 | 4255835573343 |
10 | 1212213013113 |
11 | 428107709663 |
12 | 176b27828449 |
13 | 8a40791199b |
14 | 42958554adb |
15 | 217ebed6193 |
hex | 11a3d86aa79 |
1212213013113 has 32 divisors (see below), whose sum is σ = 1659031830016. Its totient is φ = 787092691968.
The previous prime is 1212213013087. The next prime is 1212213013133. The reversal of 1212213013113 is 3113103122121.
It is not a de Polignac number, because 1212213013113 - 210 = 1212213012089 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1212213013113.
It is not an unprimeable number, because it can be changed into a prime (1212213013133) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6227406 + ... + 6419112.
It is an arithmetic number, because the mean of its divisors is an integer number (51844744688).
Almost surely, 21212213013113 is an apocalyptic number.
It is an amenable number.
1212213013113 is a deficient number, since it is larger than the sum of its proper divisors (446818816903).
1212213013113 is a wasteful number, since it uses less digits than its factorization.
1212213013113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 192133.
The product of its (nonzero) digits is 216, while the sum is 21.
Adding to 1212213013113 its reverse (3113103122121), we get a palindrome (4325316135234).
The spelling of 1212213013113 in words is "one trillion, two hundred twelve billion, two hundred thirteen million, thirteen thousand, one hundred thirteen".
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