Base | Representation |
---|---|
bin | 11011111110111001… |
… | …101100111001000001 |
3 | 2212112222111100122012 |
4 | 123332321230321001 |
5 | 443013330431341 |
6 | 21445245222305 |
7 | 2112401461553 |
oct | 337671547101 |
9 | 85488440565 |
10 | 30046342721 |
11 | 11819416aaa |
12 | 59a6561995 |
13 | 2aaab6c925 |
14 | 165066d4d3 |
15 | bacc300eb |
hex | 6fee6ce41 |
30046342721 has 16 divisors (see below), whose sum is σ = 33240345600. Its totient is φ = 27031414608.
The previous prime is 30046342717. The next prime is 30046342747. The reversal of 30046342721 is 12724364003.
It is not a de Polignac number, because 30046342721 - 22 = 30046342717 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30046344721) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186581 + ... + 308066.
It is an arithmetic number, because the mean of its divisors is an integer number (2077521600).
Almost surely, 230046342721 is an apocalyptic number.
It is an amenable number.
30046342721 is a deficient number, since it is larger than the sum of its proper divisors (3194002879).
30046342721 is a wasteful number, since it uses less digits than its factorization.
30046342721 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 494828.
The product of its (nonzero) digits is 24192, while the sum is 32.
The spelling of 30046342721 in words is "thirty billion, forty-six million, three hundred forty-two thousand, seven hundred twenty-one".
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