Base | Representation |
---|---|
bin | 1001001001100100110011… |
… | …00000110001110100111101 |
3 | 2122020110202111100002200110 |
4 | 10210302121200301310331 |
5 | 10114122133243234323 |
6 | 110443032055020233 |
7 | 4144431240630021 |
oct | 444623140616475 |
9 | 78213674302613 |
10 | 20120202321213 |
11 | 6457a25750075 |
12 | 230b51b06a679 |
13 | b2c433388aa7 |
14 | 4d7b743cc381 |
15 | 24d58c9a3793 |
hex | 124c99831d3d |
20120202321213 has 8 divisors (see below), whose sum is σ = 26831015356288. Its totient is φ = 13411428750144.
The previous prime is 20120202321179. The next prime is 20120202321229. The reversal of 20120202321213 is 31212320202102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20120202321213 - 232 = 20115907353917 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 20120202321213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20120202321113) 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, 509842981 + ... + 509882442.
It is an arithmetic number, because the mean of its divisors is an integer number (3353876919536).
Almost surely, 220120202321213 is an apocalyptic number.
It is an amenable number.
20120202321213 is a deficient number, since it is larger than the sum of its proper divisors (6710813035075).
20120202321213 is a wasteful number, since it uses less digits than its factorization.
20120202321213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1019732003.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 20120202321213 its reverse (31212320202102), we get a palindrome (51332522523315).
The spelling of 20120202321213 in words is "twenty trillion, one hundred twenty billion, two hundred two million, three hundred twenty-one thousand, two hundred thirteen".
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