Base | Representation |
---|---|
bin | 11100001000101110… |
… | …111110011100101011 |
3 | 2212222110220012212222 |
4 | 130020232332130223 |
5 | 443333043200321 |
6 | 21513501024255 |
7 | 2116443561125 |
oct | 341056763453 |
9 | 85873805788 |
10 | 30211303211 |
11 | 118a3547291 |
12 | 5a3185508b |
13 | 2b060a919b |
14 | 1668530215 |
15 | bbc4673ab |
hex | 708bbe72b |
30211303211 has 8 divisors (see below), whose sum is σ = 31997061360. Its totient is φ = 28426503168.
The previous prime is 30211303207. The next prime is 30211303247. The reversal of 30211303211 is 11230311203.
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 30211303211 - 22 = 30211303207 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a self number, because there is not a number n which added to its sum of digits gives 30211303211.
It is not an unprimeable number, because it can be changed into a prime (30211303261) 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, 174086 + ... + 301211.
It is an arithmetic number, because the mean of its divisors is an integer number (3999632670).
Almost surely, 230211303211 is an apocalyptic number.
30211303211 is a deficient number, since it is larger than the sum of its proper divisors (1785758149).
30211303211 is a wasteful number, since it uses less digits than its factorization.
30211303211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 479053.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 30211303211 its reverse (11230311203), we get a palindrome (41441614414).
The spelling of 30211303211 in words is "thirty billion, two hundred eleven million, three hundred three thousand, two hundred eleven".
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