Base | Representation |
---|---|
bin | 11100001100010101… |
… | …110110000100001111 |
3 | 2220010200202222222222 |
4 | 130030111312010033 |
5 | 443444041333033 |
6 | 21523502125555 |
7 | 2121110155031 |
oct | 341425660417 |
9 | 86120688888 |
10 | 30271824143 |
11 | 11924723590 |
12 | 5a49b808bb |
13 | 2b157a92a2 |
14 | 16725a5c51 |
15 | bc291e598 |
hex | 70c57610f |
30271824143 has 16 divisors (see below), whose sum is σ = 33203373984. Its totient is φ = 27370536960.
The previous prime is 30271824139. The next prime is 30271824161. The reversal of 30271824143 is 34142817203.
It is a Cunningham number, because it is equal to 1739882-1.
It is a cyclic number.
It is not a de Polignac number, because 30271824143 - 22 = 30271824139 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30271824103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1905971 + ... + 1921787.
It is an arithmetic number, because the mean of its divisors is an integer number (2075210874).
Almost surely, 230271824143 is an apocalyptic number.
30271824143 is a deficient number, since it is larger than the sum of its proper divisors (2931549841).
30271824143 is a wasteful number, since it uses less digits than its factorization.
30271824143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16762.
The product of its (nonzero) digits is 32256, while the sum is 35.
The spelling of 30271824143 in words is "thirty billion, two hundred seventy-one million, eight hundred twenty-four thousand, one hundred forty-three".
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