Base | Representation |
---|---|
bin | 111001011100… |
… | …0100100101111 |
3 | 2002200001120201 |
4 | 1302320210233 |
5 | 30202204033 |
6 | 2553254331 |
7 | 513661111 |
oct | 162704457 |
9 | 62601521 |
10 | 30116143 |
11 | 15aaa782 |
12 | a1043a7 |
13 | 6315b05 |
14 | 3ddd3b1 |
15 | 299d47d |
hex | 1cb892f |
30116143 has 8 divisors (see below), whose sum is σ = 31150080. Its totient is φ = 29098680.
The previous prime is 30116101. The next prime is 30116153. The reversal of 30116143 is 34161103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30116143 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30116143.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30116153) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343 + ... + 7768.
It is an arithmetic number, because the mean of its divisors is an integer number (3893760).
Almost surely, 230116143 is an apocalyptic number.
30116143 is a deficient number, since it is larger than the sum of its proper divisors (1033937).
30116143 is an equidigital number, since it uses as much as digits as its factorization.
30116143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8237.
The product of its (nonzero) digits is 216, while the sum is 19.
The square root of 30116143 is about 5487.8176901205. The cubic root of 30116143 is about 311.1237156977.
Adding to 30116143 its reverse (34161103), we get a palindrome (64277246).
The spelling of 30116143 in words is "thirty million, one hundred sixteen thousand, one hundred forty-three".
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