Base | Representation |
---|---|
bin | 100000010100101011000… |
… | …110110100011100100001 |
3 | 21212100100201202021100121 |
4 | 200110223012310130201 |
5 | 242343030123100001 |
6 | 4420225345120241 |
7 | 316322635346254 |
oct | 40245306643441 |
9 | 7770321667317 |
10 | 2221221300001 |
11 | 787018575850 |
12 | 2ba5a2629081 |
13 | 1315ca29c6a2 |
14 | 7971712d09b |
15 | 3cba45146a1 |
hex | 2052b1b4721 |
2221221300001 has 16 divisors (see below), whose sum is σ = 2432979763200. Its totient is φ = 2011102210000.
The previous prime is 2221221299953. The next prime is 2221221300017. The reversal of 2221221300001 is 1000031221222.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 2221221300001 - 219 = 2221220775713 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2221221300071) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63593220 + ... + 63628138.
It is an arithmetic number, because the mean of its divisors is an integer number (152061235200).
Almost surely, 22221221300001 is an apocalyptic number.
It is an amenable number.
2221221300001 is a deficient number, since it is larger than the sum of its proper divisors (211758463199).
2221221300001 is a wasteful number, since it uses less digits than its factorization.
2221221300001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58220.
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 2221221300001 its reverse (1000031221222), we get a palindrome (3221252521223).
The spelling of 2221221300001 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-one million, three hundred thousand, one".
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