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12454663387 is a prime number
BaseRepresentation
bin10111001100101101…
…10001010011011011
31012010222122110021011
423212112301103123
5201001343212022
65415510354351
7620431614655
oct134626612333
935128573234
1012454663387
115311372a41
1224b705b9b7
13123640500a
148621716d5
154cd630977
hex2e65b14db

12454663387 has 2 divisors, whose sum is σ = 12454663388. Its totient is φ = 12454663386.

The previous prime is 12454663373. The next prime is 12454663391. The reversal of 12454663387 is 78336645421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12454663387 - 27 = 12454663259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12454663387.

It is not a weakly prime, because it can be changed into another prime (12454663367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6227331693 + 6227331694.

It is an arithmetic number, because the mean of its divisors is an integer number (6227331694).

Almost surely, 212454663387 is an apocalyptic number.

12454663387 is a deficient number, since it is larger than the sum of its proper divisors (1).

12454663387 is an equidigital number, since it uses as much as digits as its factorization.

12454663387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 49.

The spelling of 12454663387 in words is "twelve billion, four hundred fifty-four million, six hundred sixty-three thousand, three hundred eighty-seven".