Base | Representation |
---|---|
bin | 111001011111… |
… | …0101010010001 |
3 | 2002201022210001 |
4 | 1302332222101 |
5 | 30204003243 |
6 | 2554010001 |
7 | 514123564 |
oct | 162765221 |
9 | 62638701 |
10 | 30141073 |
11 | 16017486 |
12 | a116901 |
13 | 6324271 |
14 | 40084db |
15 | 29a5a4d |
hex | 1cbea91 |
30141073 has 2 divisors, whose sum is σ = 30141074. Its totient is φ = 30141072.
The previous prime is 30141071. The next prime is 30141077. The reversal of 30141073 is 37014103.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 23648769 + 6492304 = 4863^2 + 2548^2 .
It is a cyclic number.
It is not a de Polignac number, because 30141073 - 21 = 30141071 is a prime.
Together with 30141071, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 30141073.
It is not a weakly prime, because it can be changed into another prime (30141071) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15070536 + 15070537.
It is an arithmetic number, because the mean of its divisors is an integer number (15070537).
Almost surely, 230141073 is an apocalyptic number.
It is an amenable number.
30141073 is a deficient number, since it is larger than the sum of its proper divisors (1).
30141073 is an equidigital number, since it uses as much as digits as its factorization.
30141073 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 252, while the sum is 19.
The square root of 30141073 is about 5490.0886149497. The cubic root of 30141073 is about 311.2095409311.
Adding to 30141073 its reverse (37014103), we get a palindrome (67155176).
The spelling of 30141073 in words is "thirty million, one hundred forty-one thousand, seventy-three".
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