Base | Representation |
---|---|
bin | 1001100011100110… |
… | …00101100110011001 |
3 | 111020112211111221101 |
4 | 10301303011212121 |
5 | 41001343140121 |
6 | 2205031111401 |
7 | 241065022144 |
oct | 46163054631 |
9 | 14215744841 |
10 | 5130443161 |
11 | 21a3001978 |
12 | bb2212561 |
13 | 639ba0cac |
14 | 36953905b |
15 | 200621491 |
hex | 131cc5999 |
5130443161 has 2 divisors, whose sum is σ = 5130443162. Its totient is φ = 5130443160.
The previous prime is 5130443159. The next prime is 5130443237. The reversal of 5130443161 is 1613440315.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 5019014025 + 111429136 = 70845^2 + 10556^2 .
It is a cyclic number.
It is not a de Polignac number, because 5130443161 - 21 = 5130443159 is a prime.
Together with 5130443159, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (5130443261) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2565221580 + 2565221581.
It is an arithmetic number, because the mean of its divisors is an integer number (2565221581).
Almost surely, 25130443161 is an apocalyptic number.
It is an amenable number.
5130443161 is a deficient number, since it is larger than the sum of its proper divisors (1).
5130443161 is an equidigital number, since it uses as much as digits as its factorization.
5130443161 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4320, while the sum is 28.
The square root of 5130443161 is about 71627.1119130180. Note that the first 3 decimals coincide. The cubic root of 5130443161 is about 1724.7187847677.
Adding to 5130443161 its reverse (1613440315), we get a palindrome (6743883476).
The spelling of 5130443161 in words is "five billion, one hundred thirty million, four hundred forty-three thousand, one hundred sixty-one".
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