Base | Representation |
---|---|
bin | 11100010001001111… |
… | …010101100100010101 |
3 | 2220100102102011220110 |
4 | 130101033111210111 |
5 | 444131111113440 |
6 | 21535555353233 |
7 | 2123125531125 |
oct | 342117254425 |
9 | 86312364813 |
10 | 30354004245 |
11 | 11967053724 |
12 | 5a715b2819 |
13 | 2b29820a76 |
14 | 167d478c85 |
15 | bc9c54080 |
hex | 7113d5915 |
30354004245 has 16 divisors (see below), whose sum is σ = 50677990272. Its totient is φ = 15484941120.
The previous prime is 30354004243. The next prime is 30354004279. The reversal of 30354004245 is 54240045303.
It is not a de Polignac number, because 30354004245 - 21 = 30354004243 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30354004243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43990966 + ... + 43991655.
It is an arithmetic number, because the mean of its divisors is an integer number (3167374392).
Almost surely, 230354004245 is an apocalyptic number.
It is an amenable number.
30354004245 is a deficient number, since it is larger than the sum of its proper divisors (20323986027).
30354004245 is a wasteful number, since it uses less digits than its factorization.
30354004245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87982652.
The product of its (nonzero) digits is 28800, while the sum is 30.
Adding to 30354004245 its reverse (54240045303), we get a palindrome (84594049548).
The spelling of 30354004245 in words is "thirty billion, three hundred fifty-four million, four thousand, two hundred forty-five".
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