Base | Representation |
---|---|
bin | 11100000010110001… |
… | …100101001110001100 |
3 | 2212201111202200211221 |
4 | 130002301211032030 |
5 | 443131444314040 |
6 | 21455530053124 |
7 | 2114121010522 |
oct | 340261451614 |
9 | 85644680757 |
10 | 30111323020 |
11 | 11852069729 |
12 | 5a0427a1a4 |
13 | 2abb4716cc |
14 | 1659146312 |
15 | bb37b874a |
hex | 702c6538c |
30111323020 has 12 divisors (see below), whose sum is σ = 63233778384. Its totient is φ = 12044529200.
The previous prime is 30111322939. The next prime is 30111323029. The reversal of 30111323020 is 2032311103.
It is a junction number, because it is equal to n+sod(n) for n = 30111322985 and 30111323003.
It is not an unprimeable number, because it can be changed into a prime (30111323029) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752783056 + ... + 752783095.
It is an arithmetic number, because the mean of its divisors is an integer number (5269481532).
Almost surely, 230111323020 is an apocalyptic number.
It is an amenable number.
30111323020 is an abundant number, since it is smaller than the sum of its proper divisors (33122455364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30111323020 is a wasteful number, since it uses less digits than its factorization.
30111323020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1505566160 (or 1505566158 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 30111323020 its reverse (2032311103), we get a palindrome (32143634123).
The spelling of 30111323020 in words is "thirty billion, one hundred eleven million, three hundred twenty-three thousand, twenty".
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