Base | Representation |
---|---|
bin | 111001011010… |
… | …0111000110001 |
3 | 2002122021212101 |
4 | 1302310320301 |
5 | 30201213131 |
6 | 2553100401 |
7 | 513566065 |
oct | 162647061 |
9 | 62567771 |
10 | 30101041 |
11 | 15a9a3a3 |
12 | a0b7701 |
13 | 630bc89 |
14 | 3dd7aa5 |
15 | 2998c61 |
hex | 1cb4e31 |
30101041 has 2 divisors, whose sum is σ = 30101042. Its totient is φ = 30101040.
The previous prime is 30101021. The next prime is 30101051. The reversal of 30101041 is 14010103.
It is a happy number.
It is an a-pointer prime, because the next prime (30101051) can be obtained adding 30101041 to its sum of digits (10).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 15054400 + 15046641 = 3880^2 + 3879^2 .
It is a cyclic number.
It is not a de Polignac number, because 30101041 - 217 = 29969969 is a prime.
It is not a weakly prime, because it can be changed into another prime (30101021) 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 as a sum of consecutive naturals, namely, 15050520 + 15050521.
It is an arithmetic number, because the mean of its divisors is an integer number (15050521).
Almost surely, 230101041 is an apocalyptic number.
30101041 is the 3880-th centered square number.
It is an amenable number.
30101041 is a deficient number, since it is larger than the sum of its proper divisors (1).
30101041 is an equidigital number, since it uses as much as digits as its factorization.
30101041 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 30101041 is about 5486.4415607933. The cubic root of 30101041 is about 311.0717017778.
Adding to 30101041 its reverse (14010103), we get a palindrome (44111144).
The spelling of 30101041 in words is "thirty million, one hundred one thousand, forty-one".
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