Base | Representation |
---|---|
bin | 11100001110010100… |
… | …111010101011110001 |
3 | 2220020000110101101012 |
4 | 130032110322223301 |
5 | 444031103312340 |
6 | 21531052120305 |
7 | 2121663254162 |
oct | 341624725361 |
9 | 86200411335 |
10 | 30305135345 |
11 | 11941505801 |
12 | 5a59166095 |
13 | 2b1c670464 |
14 | 1676b97769 |
15 | bc57ee565 |
hex | 70e53aaf1 |
30305135345 has 16 divisors (see below), whose sum is σ = 37082852352. Its totient is φ = 23770977600.
The previous prime is 30305135339. The next prime is 30305135353. The reversal of 30305135345 is 54353150303.
It is a de Polignac number, because none of the positive numbers 2k-30305135345 is a prime.
It is a Duffinian number.
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 15 ways as a sum of consecutive naturals, for example, 239297 + ... + 343326.
It is an arithmetic number, because the mean of its divisors is an integer number (2317678272).
Almost surely, 230305135345 is an apocalyptic number.
It is an amenable number.
30305135345 is a deficient number, since it is larger than the sum of its proper divisors (6777717007).
30305135345 is a wasteful number, since it uses less digits than its factorization.
30305135345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 582832.
The product of its (nonzero) digits is 40500, while the sum is 32.
Adding to 30305135345 its reverse (54353150303), we get a palindrome (84658285648).
The spelling of 30305135345 in words is "thirty billion, three hundred five million, one hundred thirty-five thousand, three hundred forty-five".
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