Base | Representation |
---|---|
bin | 111001001110… |
… | …0101111000001 |
3 | 2002110021011101 |
4 | 1302130233001 |
5 | 30140031423 |
6 | 2551014401 |
7 | 513004501 |
oct | 162345701 |
9 | 62407141 |
10 | 30002113 |
11 | 15a32039 |
12 | a06a401 |
13 | 62a5c3b |
14 | 3dada01 |
15 | 29797ad |
hex | 1c9cbc1 |
30002113 has 4 divisors (see below), whose sum is σ = 30052800. Its totient is φ = 29951428.
The previous prime is 30002111. The next prime is 30002117. The reversal of 30002113 is 31120003.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31120003 = 43 ⋅723721.
It is a cyclic number.
It is not a de Polignac number, because 30002113 - 21 = 30002111 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 30002113.
It is not an unprimeable number, because it can be changed into a prime (30002111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24445 + ... + 25642.
It is an arithmetic number, because the mean of its divisors is an integer number (7513200).
Almost surely, 230002113 is an apocalyptic number.
It is an amenable number.
30002113 is a deficient number, since it is larger than the sum of its proper divisors (50687).
30002113 is an equidigital number, since it uses as much as digits as its factorization.
30002113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50686.
The product of its (nonzero) digits is 18, while the sum is 10.
The square root of 30002113 is about 5477.4184612827. The cubic root of 30002113 is about 310.7305455155.
Adding to 30002113 its reverse (31120003), we get a palindrome (61122116).
The spelling of 30002113 in words is "thirty million, two thousand, one hundred thirteen".
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