Base | Representation |
---|---|
bin | 11011111100111000… |
… | …000000010001100001 |
3 | 2212110121112000022211 |
4 | 123330320000101201 |
5 | 442431124442033 |
6 | 21442032402121 |
7 | 2111506465264 |
oct | 337470002141 |
9 | 85417460284 |
10 | 30012343393 |
11 | 1180120488a |
12 | 59970a6341 |
13 | 2aa3ac7496 |
14 | 1649d3ccdb |
15 | ba9c662cd |
hex | 6fce00461 |
30012343393 has 2 divisors, whose sum is σ = 30012343394. Its totient is φ = 30012343392.
The previous prime is 30012343381. The next prime is 30012343423. The reversal of 30012343393 is 39334321003.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 29270761569 + 741581824 = 171087^2 + 27232^2 .
It is a cyclic number.
It is not a de Polignac number, because 30012343393 - 213 = 30012335201 is a prime.
It is not a weakly prime, because it can be changed into another prime (30012343363) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15006171696 + 15006171697.
It is an arithmetic number, because the mean of its divisors is an integer number (15006171697).
Almost surely, 230012343393 is an apocalyptic number.
It is an amenable number.
30012343393 is a deficient number, since it is larger than the sum of its proper divisors (1).
30012343393 is an equidigital number, since it uses as much as digits as its factorization.
30012343393 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 17496, while the sum is 31.
Adding to 30012343393 its reverse (39334321003), we get a palindrome (69346664396).
The spelling of 30012343393 in words is "thirty billion, twelve million, three hundred forty-three thousand, three hundred ninety-three".
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