Base | Representation |
---|---|
bin | 11100010111101010… |
… | …011110101111111001 |
3 | 2220121221012220121102 |
4 | 130113222132233321 |
5 | 444341204024113 |
6 | 21554405421145 |
7 | 2125604612033 |
oct | 342752365771 |
9 | 86557186542 |
10 | 30461783033 |
11 | 11a11978500 |
12 | 5aa170a7b5 |
13 | 2b45c590b6 |
14 | 168d8d2c53 |
15 | bd4443758 |
hex | 717a9ebf9 |
30461783033 has 12 divisors (see below), whose sum is σ = 33497165604. Its totient is φ = 27680637600.
The previous prime is 30461783029. The next prime is 30461783057. The reversal of 30461783033 is 33038716403.
It can be written as a sum of positive squares in 2 ways, for example, as 5259585529 + 25202197504 = 72523^2 + 158752^2 .
It is not a de Polignac number, because 30461783033 - 22 = 30461783029 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30461783063) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235235 + ... + 340967.
It is an arithmetic number, because the mean of its divisors is an integer number (2791430467).
Almost surely, 230461783033 is an apocalyptic number.
It is an amenable number.
30461783033 is a deficient number, since it is larger than the sum of its proper divisors (3035382571).
30461783033 is a wasteful number, since it uses less digits than its factorization.
30461783033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 108136 (or 108125 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 38.
The spelling of 30461783033 in words is "thirty billion, four hundred sixty-one million, seven hundred eighty-three thousand, thirty-three".
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