Base | Representation |
---|---|
bin | 11100011011111011… |
… | …100000001010100001 |
3 | 2220210220220002201100 |
4 | 130123323200022201 |
5 | 1000013014313040 |
6 | 22005443425013 |
7 | 2130434141130 |
oct | 343373401241 |
9 | 86726802640 |
10 | 30533354145 |
11 | 11a49311988 |
12 | 5b01685169 |
13 | 2b57a27a78 |
14 | 1699203917 |
15 | bda87eb30 |
hex | 71bee02a1 |
30533354145 has 24 divisors (see below), whose sum is σ = 60485121216. Its totient is φ = 13958104608.
The previous prime is 30533354099. The next prime is 30533354147. The reversal of 30533354145 is 54145333503.
30533354145 is a `hidden beast` number, since 30 + 53 + 33 + 541 + 4 + 5 = 666.
It is not a de Polignac number, because 30533354145 - 29 = 30533353633 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30533354147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48465327 + ... + 48465956.
It is an arithmetic number, because the mean of its divisors is an integer number (2520213384).
Almost surely, 230533354145 is an apocalyptic number.
30533354145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30533354145 is a deficient number, since it is larger than the sum of its proper divisors (29951767071).
30533354145 is a wasteful number, since it uses less digits than its factorization.
30533354145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 96931301 (or 96931298 counting only the distinct ones).
The product of its (nonzero) digits is 162000, while the sum is 36.
Adding to 30533354145 its reverse (54145333503), we get a palindrome (84678687648).
The spelling of 30533354145 in words is "thirty billion, five hundred thirty-three million, three hundred fifty-four thousand, one hundred forty-five".
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