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12382975487 is a prime number
BaseRepresentation
bin10111000100001010…
…10011010111111111
31011221222202022221202
423202011103113333
5200330020203422
65404430050115
7615601361231
oct134205232777
934858668852
1012382975487
115284959843
12249704993b
1312245c513c
14856830251
154c71beb92
hex2e21535ff

12382975487 has 2 divisors, whose sum is σ = 12382975488. Its totient is φ = 12382975486.

The previous prime is 12382975483. The next prime is 12382975511. The reversal of 12382975487 is 78457928321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12382975487 - 22 = 12382975483 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12382975483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6191487743 + 6191487744.

It is an arithmetic number, because the mean of its divisors is an integer number (6191487744).

Almost surely, 212382975487 is an apocalyptic number.

12382975487 is a deficient number, since it is larger than the sum of its proper divisors (1).

12382975487 is an equidigital number, since it uses as much as digits as its factorization.

12382975487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6773760, while the sum is 56.

The spelling of 12382975487 in words is "twelve billion, three hundred eighty-two million, nine hundred seventy-five thousand, four hundred eighty-seven".