Base | Representation |
---|---|
bin | 110000001101011101011100… |
… | …111101110110101100001110 |
3 | 1000210201222121121020121220010 |
4 | 300031131130331312230032 |
5 | 210242404404304022202 |
6 | 2030541443202534050 |
7 | 62442515022662124 |
oct | 6015353475665416 |
9 | 1023658547217803 |
10 | 212031210220302 |
11 | 61617a27588650 |
12 | 1b94509b367326 |
13 | 91405c39a5c35 |
14 | 3a5051867b914 |
15 | 197a641e9276c |
hex | c0d75cf76b0e |
212031210220302 has 64 divisors (see below), whose sum is σ = 489830460150528. Its totient is φ = 60471822528000.
The previous prime is 212031210220279. The next prime is 212031210220307. The reversal of 212031210220302 is 203022012130212.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212031210220307) 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, 135456177 + ... + 137012547.
It is an arithmetic number, because the mean of its divisors is an integer number (7653600939852).
Almost surely, 2212031210220302 is an apocalyptic number.
212031210220302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
212031210220302 is an abundant number, since it is smaller than the sum of its proper divisors (277799249930226).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212031210220302 is a wasteful number, since it uses less digits than its factorization.
212031210220302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1677825.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 212031210220302 its reverse (203022012130212), we get a palindrome (415053222350514).
The spelling of 212031210220302 in words is "two hundred twelve trillion, thirty-one billion, two hundred ten million, two hundred twenty thousand, three hundred two".
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