Base | Representation |
---|---|
bin | 11100001001111110… |
… | …110001000111101111 |
3 | 2220000221020220112011 |
4 | 130021332301013233 |
5 | 443403422021033 |
6 | 21515525222051 |
7 | 2120116426336 |
oct | 341176610757 |
9 | 86027226464 |
10 | 30232220143 |
11 | 11904333504 |
12 | 5a38861927 |
13 | 2b0a520a78 |
14 | 166b216d1d |
15 | bbe1e9ccd |
hex | 709fb11ef |
30232220143 has 4 divisors (see below), whose sum is σ = 30969591408. Its totient is φ = 29494848880.
The previous prime is 30232220111. The next prime is 30232220173. The reversal of 30232220143 is 34102223203.
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 30232220143 - 25 = 30232220111 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30232220173) 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, 368685571 + ... + 368685652.
It is an arithmetic number, because the mean of its divisors is an integer number (7742397852).
Almost surely, 230232220143 is an apocalyptic number.
30232220143 is a deficient number, since it is larger than the sum of its proper divisors (737371265).
30232220143 is an equidigital number, since it uses as much as digits as its factorization.
30232220143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 737371264.
The product of its (nonzero) digits is 1728, while the sum is 22.
Adding to 30232220143 its reverse (34102223203), we get a palindrome (64334443346).
The spelling of 30232220143 in words is "thirty billion, two hundred thirty-two million, two hundred twenty thousand, one hundred forty-three".
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