Base | Representation |
---|---|
bin | 101100000000010001… |
… | …110011000010000010 |
3 | 11111221212220102110022 |
4 | 230000101303002002 |
5 | 1233231310240410 |
6 | 33412300333442 |
7 | 3261611320634 |
oct | 540021630202 |
9 | 144855812408 |
10 | 47249305730 |
11 | 19047001800 |
12 | 91a7844282 |
13 | 45bcc16b93 |
14 | 24032a2a54 |
15 | 1368149455 |
hex | b00473082 |
47249305730 has 48 divisors (see below), whose sum is σ = 93706398072. Its totient is φ = 17140569600.
The previous prime is 47249305723. The next prime is 47249305739. The reversal of 47249305730 is 3750394274.
It can be written as a sum of positive squares in 4 ways, for example, as 18452233921 + 28797071809 = 135839^2 + 169697^2 .
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (47249305739) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 463034 + ... + 555786.
Almost surely, 247249305730 is an apocalyptic number.
47249305730 is a deficient number, since it is larger than the sum of its proper divisors (46457092342).
47249305730 is a wasteful number, since it uses less digits than its factorization.
47249305730 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 93203 (or 93192 counting only the distinct ones).
The product of its (nonzero) digits is 635040, while the sum is 44.
The spelling of 47249305730 in words is "forty-seven billion, two hundred forty-nine million, three hundred five thousand, seven hundred thirty".
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