Base | Representation |
---|---|
bin | 11100001011001111… |
… | …110100010001111001 |
3 | 2220002102020100101100 |
4 | 130023033310101321 |
5 | 443424341413440 |
6 | 21522004442013 |
7 | 2120465136645 |
oct | 341317642171 |
9 | 86072210340 |
10 | 30253466745 |
11 | 11915325387 |
12 | 5a439a9309 |
13 | 2b11a4c718 |
14 | 166dd87c25 |
15 | bc0ee5230 |
hex | 70b3f4479 |
30253466745 has 12 divisors (see below), whose sum is σ = 52439342436. Its totient is φ = 16135182240.
The previous prime is 30253466669. The next prime is 30253466767. The reversal of 30253466745 is 54766435203.
It can be written as a sum of positive squares in 2 ways, for example, as 6909599376 + 23343867369 = 83124^2 + 152787^2 .
It is not a de Polignac number, because 30253466745 - 211 = 30253464697 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 672299261 = 30253466745 / (3 + 0 + 2 + 5 + 3 + 4 + 6 + 6 + 7 + 4 + 5).
It is a self number, because there is not a number n which added to its sum of digits gives 30253466745.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 336149586 + ... + 336149675.
It is an arithmetic number, because the mean of its divisors is an integer number (4369945203).
Almost surely, 230253466745 is an apocalyptic number.
It is an amenable number.
30253466745 is a deficient number, since it is larger than the sum of its proper divisors (22185875691).
30253466745 is a wasteful number, since it uses less digits than its factorization.
30253466745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 672299272 (or 672299269 counting only the distinct ones).
The product of its (nonzero) digits is 1814400, while the sum is 45.
The spelling of 30253466745 in words is "thirty billion, two hundred fifty-three million, four hundred sixty-six thousand, seven hundred forty-five".
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