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4105512991 is a prime number
BaseRepresentation
bin1111010010110101…
…0010100000011111
3101121010020200001201
43310231102200133
531402002403431
61515215220331
7203511166426
oct36455224037
911533220051
104105512991
111817500748
12966b176a7
13505745638
142ad37c2bd
15190668461
hexf4b5281f

4105512991 has 2 divisors, whose sum is σ = 4105512992. Its totient is φ = 4105512990.

The previous prime is 4105512967. The next prime is 4105513031. The reversal of 4105512991 is 1992155014.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4105512991 - 25 = 4105512959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4105512991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4105512911) 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, 2052756495 + 2052756496.

It is an arithmetic number, because the mean of its divisors is an integer number (2052756496).

Almost surely, 24105512991 is an apocalyptic number.

4105512991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4105512991 is an equidigital number, since it uses as much as digits as its factorization.

4105512991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 37.

The square root of 4105512991 is about 64074.2771398944. The cubic root of 4105512991 is about 1601.2377129978.

The spelling of 4105512991 in words is "four billion, one hundred five million, five hundred twelve thousand, nine hundred ninety-one".