Base | Representation |
---|---|
bin | 111001100110… |
… | …1000010011011 |
3 | 2002211022120011 |
4 | 1303031002123 |
5 | 30212344323 |
6 | 2555142351 |
7 | 514460353 |
oct | 163150233 |
9 | 62738504 |
10 | 30199963 |
11 | 16057752 |
12 | a1449b7 |
13 | 6345001 |
14 | 4021b63 |
15 | 29b820d |
hex | 1ccd09b |
30199963 has 4 divisors (see below), whose sum is σ = 30240928. Its totient is φ = 30159000.
The previous prime is 30199957. The next prime is 30199997. The reversal of 30199963 is 36999103.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36999103 = 263 ⋅140681.
It is a cyclic number.
It is not a de Polignac number, because 30199963 - 29 = 30199451 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30199163) 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, 19356 + ... + 20857.
It is an arithmetic number, because the mean of its divisors is an integer number (7560232).
Almost surely, 230199963 is an apocalyptic number.
30199963 is a deficient number, since it is larger than the sum of its proper divisors (40965).
30199963 is an equidigital number, since it uses as much as digits as its factorization.
30199963 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40964.
The product of its (nonzero) digits is 39366, while the sum is 40.
The square root of 30199963 is about 5495.4492991929. The cubic root of 30199963 is about 311.4120907527.
The spelling of 30199963 in words is "thirty million, one hundred ninety-nine thousand, nine hundred sixty-three".
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