Base | Representation |
---|---|
bin | 11011111100111011… |
… | …011011111011100111 |
3 | 2212110200012201111201 |
4 | 123330323123323213 |
5 | 442431342234421 |
6 | 21442103543331 |
7 | 2111520233335 |
oct | 337473337347 |
9 | 85420181451 |
10 | 30013243111 |
11 | 11801769855 |
12 | 599745ab47 |
13 | 2aa4050b67 |
14 | 164a0d4b55 |
15 | ba9d92b91 |
hex | 6fcedbee7 |
30013243111 has 4 divisors (see below), whose sum is σ = 30014180824. Its totient is φ = 30012305400.
The previous prime is 30013243109. The next prime is 30013243133. The reversal of 30013243111 is 11134231003.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30013243111 - 21 = 30013243109 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30013243811) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419085 + ... + 485446.
It is an arithmetic number, because the mean of its divisors is an integer number (7503545206).
Almost surely, 230013243111 is an apocalyptic number.
30013243111 is a deficient number, since it is larger than the sum of its proper divisors (937713).
30013243111 is an equidigital number, since it uses as much as digits as its factorization.
30013243111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 937712.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 30013243111 its reverse (11134231003), we get a palindrome (41147474114).
The spelling of 30013243111 in words is "thirty billion, thirteen million, two hundred forty-three thousand, one hundred eleven".
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