Base | Representation |
---|---|
bin | 10001101000110010001… |
… | …001011110011000011011 |
3 | 11021212102220110012000122 |
4 | 101220302021132120123 |
5 | 124324210130401021 |
6 | 2324443440223455 |
7 | 153365016024311 |
oct | 21506211363033 |
9 | 4255386405018 |
10 | 1212022122011 |
11 | 428019988318 |
12 | 176a9390ab8b |
13 | 8a3a71c677c |
14 | 4293b0640b1 |
15 | 217da37abab |
hex | 11a3225e61b |
1212022122011 has 16 divisors (see below), whose sum is σ = 1279731343968. Its totient is φ = 1146530918400.
The previous prime is 1212022121987. The next prime is 1212022122037. The reversal of 1212022122011 is 1102212202121.
It is a cyclic number.
It is not a de Polignac number, because 1212022122011 - 210 = 1212022120987 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1212022122041) 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 15 ways as a sum of consecutive naturals, for example, 2267510 + ... + 2750571.
It is an arithmetic number, because the mean of its divisors is an integer number (79983208998).
Almost surely, 21212022122011 is an apocalyptic number.
1212022122011 is a deficient number, since it is larger than the sum of its proper divisors (67709221957).
1212022122011 is a wasteful number, since it uses less digits than its factorization.
1212022122011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5018302.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 1212022122011 its reverse (1102212202121), we get a palindrome (2314234324132).
The spelling of 1212022122011 in words is "one trillion, two hundred twelve billion, twenty-two million, one hundred twenty-two thousand, eleven".
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