Base | Representation |
---|---|
bin | 1100111000100001011… |
… | …1010000011110111101 |
3 | 210011021221120101020102 |
4 | 3032020113100132331 |
5 | 12111241232132201 |
6 | 245402250130445 |
7 | 21663535365161 |
oct | 3161027203675 |
9 | 704257511212 |
10 | 221331130301 |
11 | 85958720106 |
12 | 36a8b420a25 |
13 | 17b43711378 |
14 | a9d90acca1 |
15 | 5b55ece26b |
hex | 33885d07bd |
221331130301 has 8 divisors (see below), whose sum is σ = 234367714944. Its totient is φ = 208296446400.
The previous prime is 221331130261. The next prime is 221331130343. The reversal of 221331130301 is 103031133122.
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 221331130301 - 210 = 221331129277 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (221331130351) 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, 231875 + ... + 704576.
It is an arithmetic number, because the mean of its divisors is an integer number (29295964368).
Almost surely, 2221331130301 is an apocalyptic number.
It is an amenable number.
221331130301 is a deficient number, since it is larger than the sum of its proper divisors (13036584643).
221331130301 is a wasteful number, since it uses less digits than its factorization.
221331130301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 950371.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 221331130301 its reverse (103031133122), we get a palindrome (324362263423).
The spelling of 221331130301 in words is "two hundred twenty-one billion, three hundred thirty-one million, one hundred thirty thousand, three hundred one".
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