Base | Representation |
---|---|
bin | 11011111101110001… |
… | …110101111010011001 |
3 | 2212111200001022120010 |
4 | 123331301311322121 |
5 | 442444020132210 |
6 | 21443333352133 |
7 | 2112052404150 |
oct | 337561657231 |
9 | 85450038503 |
10 | 30027505305 |
11 | 11809820196 |
12 | 59a0198649 |
13 | 2aa6ca5725 |
14 | 164bd68597 |
15 | bab25d920 |
hex | 6fdc75e99 |
30027505305 has 16 divisors (see below), whose sum is σ = 54907438464. Its totient is φ = 13726859520.
The previous prime is 30027505303. The next prime is 30027505309. The reversal of 30027505305 is 50350572003.
It is not a de Polignac number, because 30027505305 - 21 = 30027505303 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30027505303) 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 15 ways as a sum of consecutive naturals, for example, 142988016 + ... + 142988225.
It is an arithmetic number, because the mean of its divisors is an integer number (3431714904).
Almost surely, 230027505305 is an apocalyptic number.
30027505305 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30027505305 is a deficient number, since it is larger than the sum of its proper divisors (24879933159).
30027505305 is a wasteful number, since it uses less digits than its factorization.
30027505305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 285976256.
The product of its (nonzero) digits is 15750, while the sum is 30.
The spelling of 30027505305 in words is "thirty billion, twenty-seven million, five hundred five thousand, three hundred five".
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