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1307859149 is a prime number
BaseRepresentation
bin100110111110100…
…0101100011001101
310101010222010110202
41031331011203031
510134302443044
6333435543245
744260422302
oct11575054315
93333863422
101307859149
11611285a33
12305bbab25
1317ac5a26c
14c59a90a9
1579c43c4e
hex4df458cd

1307859149 has 2 divisors, whose sum is σ = 1307859150. Its totient is φ = 1307859148.

The previous prime is 1307859103. The next prime is 1307859173. The reversal of 1307859149 is 9419587031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1136903524 + 170955625 = 33718^2 + 13075^2 .

It is a cyclic number.

It is not a de Polignac number, because 1307859149 - 212 = 1307855053 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1307859199) 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, 653929574 + 653929575.

It is an arithmetic number, because the mean of its divisors is an integer number (653929575).

Almost surely, 21307859149 is an apocalyptic number.

It is an amenable number.

1307859149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1307859149 is an equidigital number, since it uses as much as digits as its factorization.

1307859149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 1307859149 is about 36164.3353181003. The cubic root of 1307859149 is about 1093.5878041326.

It can be divided in two parts, 13078 and 59149, that added together give a palindrome (72227).

The spelling of 1307859149 in words is "one billion, three hundred seven million, eight hundred fifty-nine thousand, one hundred forty-nine".