Base | Representation |
---|---|
bin | 11100001111110100… |
… | …101011110011010011 |
3 | 2220021202200211210001 |
4 | 130033310223303103 |
5 | 444104020141321 |
6 | 21533350150431 |
7 | 2122416534205 |
oct | 341764536323 |
9 | 86252624701 |
10 | 30330240211 |
11 | 119546a2427 |
12 | 5a65652417 |
13 | 2b249202cb |
14 | 167a250775 |
15 | bc7b0cc91 |
hex | 70fd2bcd3 |
30330240211 has 4 divisors (see below), whose sum is σ = 30463853832. Its totient is φ = 30196626592.
The previous prime is 30330240169. The next prime is 30330240217. The reversal of 30330240211 is 11204203303.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11204203303 = 31 ⋅361425913.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30330240211 is a prime.
It is a super-2 number, since 2×303302402112 (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 (30330240217) 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, 66806470 + ... + 66806923.
It is an arithmetic number, because the mean of its divisors is an integer number (7615963458).
Almost surely, 230330240211 is an apocalyptic number.
30330240211 is a deficient number, since it is larger than the sum of its proper divisors (133613621).
30330240211 is a wasteful number, since it uses less digits than its factorization.
30330240211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 133613620.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 30330240211 its reverse (11204203303), we get a palindrome (41534443514).
The spelling of 30330240211 in words is "thirty billion, three hundred thirty million, two hundred forty thousand, two hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •