Search a number
-
+
4105316561 is a prime number
BaseRepresentation
bin1111010010110010…
…0010100011010001
3101121002212200121112
43310230202203101
531401430112221
61515211103105
7203506420643
oct36454424321
911532780545
104105316561
111817387105
12966a41a95
135056a70c8
142ad32a893
1519062a15b
hexf4b228d1

4105316561 has 2 divisors, whose sum is σ = 4105316562. Its totient is φ = 4105316560.

The previous prime is 4105316543. The next prime is 4105316563. The reversal of 4105316561 is 1656135014.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3285582400 + 819734161 = 57320^2 + 28631^2 .

It is a cyclic number.

It is not a de Polignac number, because 4105316561 - 218 = 4105054417 is a prime.

Together with 4105316563, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4105316563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2052658280 + 2052658281.

It is an arithmetic number, because the mean of its divisors is an integer number (2052658281).

Almost surely, 24105316561 is an apocalyptic number.

It is an amenable number.

4105316561 is a deficient number, since it is larger than the sum of its proper divisors (1).

4105316561 is an equidigital number, since it uses as much as digits as its factorization.

4105316561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 4105316561 is about 64072.7442911571. The cubic root of 4105316561 is about 1601.2121752927.

The spelling of 4105316561 in words is "four billion, one hundred five million, three hundred sixteen thousand, five hundred sixty-one".