Base | Representation |
---|---|
bin | 1100010101110101100… |
… | …0111101010100010001 |
3 | 202021021001110012010020 |
4 | 3011131120331110101 |
5 | 11433204134034301 |
6 | 241222321054053 |
7 | 21214026100455 |
oct | 3053530752421 |
9 | 667231405106 |
10 | 212020221201 |
11 | 81a0a984308 |
12 | 35111187329 |
13 | 16cbb7139b9 |
14 | a394684665 |
15 | 57ad88b436 |
hex | 315d63d511 |
212020221201 has 48 divisors (see below), whose sum is σ = 298734670080. Its totient is φ = 133737054880.
The previous prime is 212020221173. The next prime is 212020221227. The reversal of 212020221201 is 102122020212.
212020221201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 212020221201 - 25 = 212020221169 is a prime.
It is not an unprimeable number, because it can be changed into a prime (212020221401) 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 47 ways as a sum of consecutive naturals, for example, 72138790 + ... + 72141728.
It is an arithmetic number, because the mean of its divisors is an integer number (6223638960).
Almost surely, 2212020221201 is an apocalyptic number.
It is an amenable number.
212020221201 is a deficient number, since it is larger than the sum of its proper divisors (86714448879).
212020221201 is a wasteful number, since it uses less digits than its factorization.
212020221201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3466 (or 3443 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 212020221201 its reverse (102122020212), we get a palindrome (314142241413).
The spelling of 212020221201 in words is "two hundred twelve billion, twenty million, two hundred twenty-one thousand, two hundred one".
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