Base | Representation |
---|---|
bin | 11000110010111100… |
… | …00100000011011100 |
3 | 1021100202021111110210 |
4 | 30121132010003130 |
5 | 204230411310322 |
6 | 10040542532420 |
7 | 650613642144 |
oct | 143136040334 |
9 | 37322244423 |
10 | 13312213212 |
11 | 5711440901 |
12 | 26b6297110 |
13 | 1341c8784c |
14 | 903ddb924 |
15 | 52da7470c |
hex | 3197840dc |
13312213212 has 24 divisors (see below), whose sum is σ = 31455020800. Its totient is φ = 4381234416.
The previous prime is 13312213199. The next prime is 13312213241. The reversal of 13312213212 is 21231221331.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7020262 + ... + 7022157.
Almost surely, 213312213212 is an apocalyptic number.
13312213212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13312213212 is an abundant number, since it is smaller than the sum of its proper divisors (18142807588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13312213212 is a wasteful number, since it uses less digits than its factorization.
13312213212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14042505 (or 14042503 counting only the distinct ones).
The product of its digits is 432, while the sum is 21.
Adding to 13312213212 its reverse (21231221331), we get a palindrome (34543434543).
The spelling of 13312213212 in words is "thirteen billion, three hundred twelve million, two hundred thirteen thousand, two hundred twelve".
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