Base | Representation |
---|---|
bin | 11000100110000100… |
… | …00100100111110100 |
3 | 1021002020001110221202 |
4 | 30103002010213310 |
5 | 204020234242322 |
6 | 10022124032032 |
7 | 645132644342 |
oct | 142302044764 |
9 | 37066043852 |
10 | 13204212212 |
11 | 5666485084 |
12 | 2686092618 |
13 | 13257a2329 |
14 | 8d3926992 |
15 | 52433e292 |
hex | 3130849f4 |
13204212212 has 12 divisors (see below), whose sum is σ = 23109000516. Its totient is φ = 6601640640.
The previous prime is 13204212211. The next prime is 13204212251. The reversal of 13204212212 is 21221240231.
It can be written as a sum of positive squares in 2 ways, for example, as 5362047076 + 7842165136 = 73226^2 + 88556^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13204212211) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48089 + ... + 169472.
It is an arithmetic number, because the mean of its divisors is an integer number (1925750043).
Almost surely, 213204212212 is an apocalyptic number.
It is an amenable number.
13204212212 is a deficient number, since it is larger than the sum of its proper divisors (9904788304).
13204212212 is a wasteful number, since it uses less digits than its factorization.
13204212212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 232738 (or 232736 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 13204212212 its reverse (21221240231), we get a palindrome (34425452443).
The spelling of 13204212212 in words is "thirteen billion, two hundred four million, two hundred twelve thousand, two hundred twelve".
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