Base | Representation |
---|---|
bin | 11100110011110101… |
… | …001010011010011001 |
3 | 2221211212102120021011 |
4 | 130303311022122121 |
5 | 1001323143022434 |
6 | 22113330213521 |
7 | 2143403411554 |
oct | 346365123231 |
9 | 87755376234 |
10 | 30934345369 |
11 | 121346a4594 |
12 | 5bb3a242a1 |
13 | 2bbcb25595 |
14 | 16d658569b |
15 | c10b8be64 |
hex | 733d4a699 |
30934345369 has 4 divisors (see below), whose sum is σ = 31253256244. Its totient is φ = 30615434496.
The previous prime is 30934345363. The next prime is 30934345381. The reversal of 30934345369 is 96354343903.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 5752464025 + 25181881344 = 75845^2 + 158688^2 .
It is a cyclic number.
It is not a de Polignac number, because 30934345369 - 23 = 30934345361 is a prime.
It is a super-2 number, since 2×309343453692 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30934345361) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 159455292 + ... + 159455485.
It is an arithmetic number, because the mean of its divisors is an integer number (7813314061).
Almost surely, 230934345369 is an apocalyptic number.
It is an amenable number.
30934345369 is a deficient number, since it is larger than the sum of its proper divisors (318910875).
30934345369 is an equidigital number, since it uses as much as digits as its factorization.
30934345369 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 318910874.
The product of its (nonzero) digits is 3149280, while the sum is 49.
The spelling of 30934345369 in words is "thirty billion, nine hundred thirty-four million, three hundred forty-five thousand, three hundred sixty-nine".
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