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421431049307 is a prime number
BaseRepresentation
bin1100010000111110011…
…11110111110001011011
31111021210020212110211202
412020133033313301123
523401042322034212
6521334105544415
742306311546222
oct6103717676133
91437706773752
10421431049307
111528009279a4
12698144a510b
13309826461c8
141657c55dcb9
15ae680de0c2
hex621f3f7c5b

421431049307 has 2 divisors, whose sum is σ = 421431049308. Its totient is φ = 421431049306.

The previous prime is 421431049271. The next prime is 421431049363. The reversal of 421431049307 is 703940134124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 421431049307 - 218 = 421430787163 is a prime.

It is not a weakly prime, because it can be changed into another prime (421431049387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210715524653 + 210715524654.

It is an arithmetic number, because the mean of its divisors is an integer number (210715524654).

Almost surely, 2421431049307 is an apocalyptic number.

421431049307 is a deficient number, since it is larger than the sum of its proper divisors (1).

421431049307 is an equidigital number, since it uses as much as digits as its factorization.

421431049307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 421431049307 in words is "four hundred twenty-one billion, four hundred thirty-one million, forty-nine thousand, three hundred seven".