Base | Representation |
---|---|
bin | 11100000010110000… |
… | …011001000111111001 |
3 | 2212201111011212021112 |
4 | 130002300121013321 |
5 | 443131404330241 |
6 | 21455515250105 |
7 | 2114115242006 |
oct | 340260310771 |
9 | 85644155245 |
10 | 30111011321 |
11 | 11851976526 |
12 | 5a04149935 |
13 | 2abb392881 |
14 | 16590a48ad |
15 | bb37561eb |
hex | 702c191f9 |
30111011321 has 8 divisors (see below), whose sum is σ = 30737340288. Its totient is φ = 29490300000.
The previous prime is 30111011297. The next prime is 30111011339. The reversal of 30111011321 is 12311011103.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30111011321 - 210 = 30111010297 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30111011296 and 30111011305.
It is not an unprimeable number, because it can be changed into a prime (30111011341) 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, 1393580 + ... + 1415021.
It is an arithmetic number, because the mean of its divisors is an integer number (3842167536).
Almost surely, 230111011321 is an apocalyptic number.
It is an amenable number.
30111011321 is a deficient number, since it is larger than the sum of its proper divisors (626328967).
30111011321 is a wasteful number, since it uses less digits than its factorization.
30111011321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2808823.
The product of its (nonzero) digits is 18, while the sum is 14.
Adding to 30111011321 its reverse (12311011103), we get a palindrome (42422022424).
The spelling of 30111011321 in words is "thirty billion, one hundred eleven million, eleven thousand, three hundred twenty-one".
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