Base | Representation |
---|---|
bin | 1100010101110101100… |
… | …0001110111011100000 |
3 | 202021021001002112111011 |
4 | 3011131120032323200 |
5 | 11433204111444300 |
6 | 241222313030304 |
7 | 21214024346515 |
oct | 3053530167340 |
9 | 667231075434 |
10 | 212020031200 |
11 | 81a0a86458a |
12 | 351110b5394 |
13 | 16cbb678383 |
14 | a39463530c |
15 | 57ad84eeba |
hex | 315d60eee0 |
212020031200 has 72 divisors (see below), whose sum is σ = 529631054568. Its totient is φ = 82835719680.
The previous prime is 212020031189. The next prime is 212020031203. The reversal of 212020031200 is 2130020212.
212020031200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212020031203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3047287 + ... + 3116086.
It is an arithmetic number, because the mean of its divisors is an integer number (7355986869).
Almost surely, 2212020031200 is an apocalyptic number.
212020031200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
212020031200 is an abundant number, since it is smaller than the sum of its proper divisors (317611023368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212020031200 is a wasteful number, since it uses less digits than its factorization.
212020031200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6163436 (or 6163423 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 13.
Adding to 212020031200 its reverse (2130020212), we get a palindrome (214150051412).
The spelling of 212020031200 in words is "two hundred twelve billion, twenty million, thirty-one thousand, two hundred".
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