Base | Representation |
---|---|
bin | 1100111000001100001… |
… | …1101011010101100101 |
3 | 210011001202001202011121 |
4 | 3032003003223111211 |
5 | 12111100440030313 |
6 | 245345350133541 |
7 | 21661404626515 |
oct | 3160303532545 |
9 | 704052052147 |
10 | 221242111333 |
11 | 85912449911 |
12 | 36a656512b1 |
13 | 17b2b143b19 |
14 | a9cb339845 |
15 | 5b4d29828d |
hex | 33830eb565 |
221242111333 has 8 divisors (see below), whose sum is σ = 221607127040. Its totient is φ = 220877390160.
The previous prime is 221242111283. The next prime is 221242111361. The reversal of 221242111333 is 333111242122.
221242111333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 221242111333 - 229 = 220705240421 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 221242111298 and 221242111307.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (221242111133) 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 7 ways as a sum of consecutive naturals, for example, 1455991 + ... + 1600747.
It is an arithmetic number, because the mean of its divisors is an integer number (27700890880).
Almost surely, 2221242111333 is an apocalyptic number.
It is an amenable number.
221242111333 is a deficient number, since it is larger than the sum of its proper divisors (365015707).
221242111333 is a wasteful number, since it uses less digits than its factorization.
221242111333 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 147267.
The product of its digits is 1728, while the sum is 25.
Adding to 221242111333 its reverse (333111242122), we get a palindrome (554353353455).
The spelling of 221242111333 in words is "two hundred twenty-one billion, two hundred forty-two million, one hundred eleven thousand, three hundred thirty-three".
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