Base | Representation |
---|---|
bin | 111001001111… |
… | …0111100111001 |
3 | 2002110201121200 |
4 | 1302132330321 |
5 | 30140324233 |
6 | 2551124413 |
7 | 513043122 |
oct | 162367471 |
9 | 62421550 |
10 | 30011193 |
11 | 15a38943 |
12 | a073709 |
13 | 62aa104 |
14 | 3db3049 |
15 | 297c313 |
hex | 1c9ef39 |
30011193 has 24 divisors (see below), whose sum is σ = 45027840. Its totient is φ = 19241280.
The previous prime is 30011161. The next prime is 30011269. The reversal of 30011193 is 39111003.
It is not a de Polignac number, because 30011193 - 25 = 30011161 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30011123) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73173 + ... + 73581.
It is an arithmetic number, because the mean of its divisors is an integer number (1876160).
Almost surely, 230011193 is an apocalyptic number.
It is an amenable number.
30011193 is a deficient number, since it is larger than the sum of its proper divisors (15016647).
30011193 is a wasteful number, since it uses less digits than its factorization.
30011193 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 709 (or 706 counting only the distinct ones).
The product of its (nonzero) digits is 81, while the sum is 18.
The square root of 30011193 is about 5478.2472561943. The cubic root of 30011193 is about 310.7618894053.
Adding to 30011193 its reverse (39111003), we get a palindrome (69122196).
The spelling of 30011193 in words is "thirty million, eleven thousand, one hundred ninety-three".
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