Base | Representation |
---|---|
bin | 11110111000011101101… |
… | …100011000111111101001 |
3 | 21111212210121022201201122 |
4 | 132320131230120333221 |
5 | 234232242234121301 |
6 | 4302533012425025 |
7 | 306216251351660 |
oct | 36703554307751 |
9 | 7455717281648 |
10 | 2122212020201 |
11 | 7490303a5479 |
12 | 2a3370618175 |
13 | 12517bacb320 |
14 | 74a038c1dd7 |
15 | 3a30c27681b |
hex | 1ee1db18fe9 |
2122212020201 has 16 divisors (see below), whose sum is σ = 2647733445504. Its totient is φ = 1656111256704.
The previous prime is 2122212020191. The next prime is 2122212020221. The reversal of 2122212020201 is 1020202122212.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 2122212020201 - 218 = 2122211758057 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2122212020201.
It is not an unprimeable number, because it can be changed into a prime (2122212020221) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159726311 + ... + 159739596.
It is an arithmetic number, because the mean of its divisors is an integer number (165483340344).
Almost surely, 22122212020201 is an apocalyptic number.
It is an amenable number.
2122212020201 is a deficient number, since it is larger than the sum of its proper divisors (525521425303).
2122212020201 is a wasteful number, since it uses less digits than its factorization.
2122212020201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 319466000.
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 2122212020201 its reverse (1020202122212), we get a palindrome (3142414142413).
The spelling of 2122212020201 in words is "two trillion, one hundred twenty-two billion, two hundred twelve million, twenty thousand, two hundred one".
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