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408389000087 is a prime number
BaseRepresentation
bin1011111000101011110…
…00011001101110010111
31110001010022221201200202
411330111320121232113
523142340041000322
6511340013331115
741335155140135
oct5742570315627
91401108851622
10408389000087
11148218a42322
1267194796a9b
132c684641013
1415aa23aa755
15a953133292
hex5f15e19b97

408389000087 has 2 divisors, whose sum is σ = 408389000088. Its totient is φ = 408389000086.

The previous prime is 408389000051. The next prime is 408389000093. The reversal of 408389000087 is 780000983804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 408389000087 - 234 = 391209130903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (408389000287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204194500043 + 204194500044.

It is an arithmetic number, because the mean of its divisors is an integer number (204194500044).

Almost surely, 2408389000087 is an apocalyptic number.

408389000087 is a deficient number, since it is larger than the sum of its proper divisors (1).

408389000087 is an equidigital number, since it uses as much as digits as its factorization.

408389000087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 408389000087 in words is "four hundred eight billion, three hundred eighty-nine million, eighty-seven", and thus it is an aban number.