Base | Representation |
---|---|
bin | 11011000010011011… |
… | …111110011010000101 |
3 | 2202221021200012102012 |
4 | 123002123332122011 |
5 | 433424132322224 |
6 | 21200450424005 |
7 | 2045303136662 |
oct | 330233763205 |
9 | 82837605365 |
10 | 29031917189 |
11 | 113488400a0 |
12 | 5762892005 |
13 | 2978951732 |
14 | 1595a48a69 |
15 | b4db4e80e |
hex | 6c26fe685 |
29031917189 has 8 divisors (see below), whose sum is σ = 31691647200. Its totient is φ = 26375598000.
The previous prime is 29031917183. The next prime is 29031917237. The reversal of 29031917189 is 98171913092.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 29031917189 - 28 = 29031916933 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29031917183) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 834887 + ... + 868964.
It is an arithmetic number, because the mean of its divisors is an integer number (3961455900).
Almost surely, 229031917189 is an apocalyptic number.
It is an amenable number.
29031917189 is a deficient number, since it is larger than the sum of its proper divisors (2659730011).
29031917189 is a wasteful number, since it uses less digits than its factorization.
29031917189 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1705411.
The product of its (nonzero) digits is 244944, while the sum is 50.
The spelling of 29031917189 in words is "twenty-nine billion, thirty-one million, nine hundred seventeen thousand, one hundred eighty-nine".
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