Base | Representation |
---|---|
bin | 110010010000010010111110… |
… | …010100001111100110110001 |
3 | 1001222120111221211121102011221 |
4 | 302100102332110033212301 |
5 | 212432211441231430001 |
6 | 2102024111312105041 |
7 | 64361220256254502 |
oct | 6220227624174661 |
9 | 1058514854542157 |
10 | 221022210030001 |
11 | 64473aa1585576 |
12 | 20957702b35181 |
13 | 96433c7049b23 |
14 | 3c81763cdcba9 |
15 | 1a844654561a1 |
hex | c904be50f9b1 |
221022210030001 has 16 divisors (see below), whose sum is σ = 234657563587200. Its totient is φ = 207457454055168.
The previous prime is 221022210029993. The next prime is 221022210030169. The reversal of 221022210030001 is 100030012220122.
It is a happy number.
It is not a de Polignac number, because 221022210030001 - 23 = 221022210029993 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (221022216030001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45590740 + ... + 50205178.
It is an arithmetic number, because the mean of its divisors is an integer number (14666097724200).
Almost surely, 2221022210030001 is an apocalyptic number.
It is an amenable number.
221022210030001 is a deficient number, since it is larger than the sum of its proper divisors (13635353557199).
221022210030001 is a wasteful number, since it uses less digits than its factorization.
221022210030001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4622088.
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 221022210030001 its reverse (100030012220122), we get a palindrome (321052222250123).
The spelling of 221022210030001 in words is "two hundred twenty-one trillion, twenty-two billion, two hundred ten million, thirty thousand, one".
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