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4105342181 is a prime number
BaseRepresentation
bin1111010010110010…
…1000110011100101
3101121002220222202102
43310230220303211
531401431422211
61515211421445
7203506555433
oct36454506345
911532828672
104105342181
1118173a4386
12966a54885
135056b5975
142ad335d53
15190632a3b
hexf4b28ce5

4105342181 has 2 divisors, whose sum is σ = 4105342182. Its totient is φ = 4105342180.

The previous prime is 4105342169. The next prime is 4105342207. The reversal of 4105342181 is 1812435014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3945724225 + 159617956 = 62815^2 + 12634^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4105342181 is a prime.

It is a super-2 number, since 2×41053421812 = 33707668846195673522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4105342481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2052671090 + 2052671091.

It is an arithmetic number, because the mean of its divisors is an integer number (2052671091).

Almost surely, 24105342181 is an apocalyptic number.

It is an amenable number.

4105342181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4105342181 is an equidigital number, since it uses as much as digits as its factorization.

4105342181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 4105342181 is about 64072.9442198499. The cubic root of 4105342181 is about 1601.2155061743.

Adding to 4105342181 its reverse (1812435014), we get a palindrome (5917777195).

The spelling of 4105342181 in words is "four billion, one hundred five million, three hundred forty-two thousand, one hundred eighty-one".