Base | Representation |
---|---|
bin | 111001011111… |
… | …0011011000101 |
3 | 2002201021110001 |
4 | 1302332123011 |
5 | 30203440401 |
6 | 2554001301 |
7 | 514121005 |
oct | 162763305 |
9 | 62637401 |
10 | 30140101 |
11 | 16016782 |
12 | a116231 |
13 | 63239a4 |
14 | 4008005 |
15 | 29a5601 |
hex | 1cbe6c5 |
30140101 has 2 divisors, whose sum is σ = 30140102. Its totient is φ = 30140100.
The previous prime is 30140069. The next prime is 30140129. The reversal of 30140101 is 10104103.
It is a happy number.
It is a Cunningham number, because it is equal to 54902+1.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 30140100 + 1 = 5490^2 + 1^2 .
It is a cyclic number.
It is not a de Polignac number, because 30140101 - 25 = 30140069 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30140141) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15070050 + 15070051.
It is an arithmetic number, because the mean of its divisors is an integer number (15070051).
Almost surely, 230140101 is an apocalyptic number.
It is an amenable number.
30140101 is a deficient number, since it is larger than the sum of its proper divisors (1).
30140101 is an equidigital number, since it uses as much as digits as its factorization.
30140101 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 30140101 is about 5490.0000910747. Note that the first 4 decimals coincide. The cubic root of 30140101 is about 311.2061955633.
Adding to 30140101 its reverse (10104103), we get a palindrome (40244204).
The spelling of 30140101 in words is "thirty million, one hundred forty thousand, one hundred one".
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