Base | Representation |
---|---|
bin | 11100001110001100… |
… | …001010111000011001 |
3 | 2220012212010220001001 |
4 | 130032030022320121 |
5 | 444030011424033 |
6 | 21530531025001 |
7 | 2121634624165 |
oct | 341614127031 |
9 | 86185126031 |
10 | 30302842393 |
11 | 11940189aaa |
12 | 5a5843b161 |
13 | 2b1c049895 |
14 | 167675bca5 |
15 | bc54e9e7d |
hex | 70e30ae19 |
30302842393 has 2 divisors, whose sum is σ = 30302842394. Its totient is φ = 30302842392.
The previous prime is 30302842391. The next prime is 30302842433. The reversal of 30302842393 is 39324820303.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 30287137024 + 15705369 = 174032^2 + 3963^2 .
It is a cyclic number.
It is not a de Polignac number, because 30302842393 - 21 = 30302842391 is a prime.
Together with 30302842391, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (30302842391) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15151421196 + 15151421197.
It is an arithmetic number, because the mean of its divisors is an integer number (15151421197).
Almost surely, 230302842393 is an apocalyptic number.
It is an amenable number.
30302842393 is a deficient number, since it is larger than the sum of its proper divisors (1).
30302842393 is an equidigital number, since it uses as much as digits as its factorization.
30302842393 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 93312, while the sum is 37.
The spelling of 30302842393 in words is "thirty billion, three hundred two million, eight hundred forty-two thousand, three hundred ninety-three".
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