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4212101291 is a prime number
BaseRepresentation
bin1111101100001111…
…1001000010101011
3101212112210220201112
43323003321002223
532111244220131
61533543540535
7206244161456
oct37303710253
911775726645
104212101291
111871692052
1299675a74b
13521854b38
142bd5a649d
15199bc002b
hexfb0f90ab

4212101291 has 2 divisors, whose sum is σ = 4212101292. Its totient is φ = 4212101290.

The previous prime is 4212101269. The next prime is 4212101321. The reversal of 4212101291 is 1921012124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4212101291 - 222 = 4207906987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4212101191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2106050645 + 2106050646.

It is an arithmetic number, because the mean of its divisors is an integer number (2106050646).

Almost surely, 24212101291 is an apocalyptic number.

4212101291 is a deficient number, since it is larger than the sum of its proper divisors (1).

4212101291 is an equidigital number, since it uses as much as digits as its factorization.

4212101291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 4212101291 is about 64900.7033166822. The cubic root of 4212101291 is about 1614.9767291774.

The spelling of 4212101291 in words is "four billion, two hundred twelve million, one hundred one thousand, two hundred ninety-one".