Base | Representation |
---|---|
bin | 11100010010010110… |
… | …111111101101110111 |
3 | 2220101201202112220020 |
4 | 130102112333231313 |
5 | 444200413222421 |
6 | 21541510140223 |
7 | 2123444306400 |
oct | 342226775567 |
9 | 86351675806 |
10 | 30372789111 |
11 | 11976714005 |
12 | 5a77951673 |
13 | 2b3069a082 |
14 | 1681b689a7 |
15 | bcb714dc6 |
hex | 7125bfb77 |
30372789111 has 24 divisors (see below), whose sum is σ = 47115889920. Its totient is φ = 17353273392.
The previous prime is 30372789071. The next prime is 30372789157. The reversal of 30372789111 is 11198727303.
It is not a de Polignac number, because 30372789111 - 26 = 30372789047 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30372789191) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1412140 + ... + 1433486.
It is an arithmetic number, because the mean of its divisors is an integer number (1963162080).
Almost surely, 230372789111 is an apocalyptic number.
30372789111 is a deficient number, since it is larger than the sum of its proper divisors (16743100809).
30372789111 is a wasteful number, since it uses less digits than its factorization.
30372789111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31043 (or 31036 counting only the distinct ones).
The product of its (nonzero) digits is 63504, while the sum is 42.
The spelling of 30372789111 in words is "thirty billion, three hundred seventy-two million, seven hundred eighty-nine thousand, one hundred eleven".
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