Base | Representation |
---|---|
bin | 11100001110101011… |
… | …011001111001000111 |
3 | 2220020102112212210110 |
4 | 130032223121321013 |
5 | 444034110432333 |
6 | 21531422324103 |
7 | 2122064335566 |
oct | 341653317107 |
9 | 86212485713 |
10 | 30311030343 |
11 | 11944871800 |
12 | 5a5b129633 |
13 | 2b20955719 |
14 | 167788dbdd |
15 | bc60b6063 |
hex | 70ead9e47 |
30311030343 has 48 divisors (see below), whose sum is σ = 46278892800. Its totient is φ = 17617987200.
The previous prime is 30311030339. The next prime is 30311030359. The reversal of 30311030343 is 34303011303.
It is not a de Polignac number, because 30311030343 - 22 = 30311030339 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30311031343) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 860838 + ... + 895356.
It is an arithmetic number, because the mean of its divisors is an integer number (964143600).
Almost surely, 230311030343 is an apocalyptic number.
30311030343 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
30311030343 is a deficient number, since it is larger than the sum of its proper divisors (15967862457).
30311030343 is a wasteful number, since it uses less digits than its factorization.
30311030343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34644 (or 34633 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 30311030343 its reverse (34303011303), we get a palindrome (64614041646).
The spelling of 30311030343 in words is "thirty billion, three hundred eleven million, thirty thousand, three hundred forty-three".
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