Base | Representation |
---|---|
bin | 1100011101101000000… |
… | …1011111110110110101 |
3 | 202110122210001002122111 |
4 | 3013122001133312311 |
5 | 12001444433120341 |
6 | 242210014331021 |
7 | 21316606240330 |
oct | 3073201376665 |
9 | 673583032574 |
10 | 214111223221 |
11 | 82893227055 |
12 | 355b54b9a71 |
13 | 172629a10bc |
14 | a51226b617 |
15 | 5882227681 |
hex | 31da05fdb5 |
214111223221 has 8 divisors (see below), whose sum is σ = 246257131520. Its totient is φ = 182354962608.
The previous prime is 214111223189. The next prime is 214111223251. The reversal of 214111223221 is 122322111412.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 214111223221 - 25 = 214111223189 is a prime.
It is a super-4 number, since 4×2141112232214 (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 214111223192 and 214111223201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214111223251) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97410741 + ... + 97412938.
It is an arithmetic number, because the mean of its divisors is an integer number (30782141440).
Almost surely, 2214111223221 is an apocalyptic number.
It is an amenable number.
214111223221 is a deficient number, since it is larger than the sum of its proper divisors (32145908299).
214111223221 is a wasteful number, since it uses less digits than its factorization.
214111223221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 194823843.
The product of its digits is 384, while the sum is 22.
Adding to 214111223221 its reverse (122322111412), we get a palindrome (336433334633).
The spelling of 214111223221 in words is "two hundred fourteen billion, one hundred eleven million, two hundred twenty-three thousand, two hundred twenty-one".
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