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12603856079 is a prime number
BaseRepresentation
bin10111011110011111…
…11001010011001111
31012112101101020011102
423233033321103033
5201303041343304
65442400213315
7624223003043
oct135717712317
935471336142
1012603856079
115388603691
12253900a23b
13125b2b0609
14877cca023
154db7a0d1e
hex2ef3f94cf

12603856079 has 2 divisors, whose sum is σ = 12603856080. Its totient is φ = 12603856078.

The previous prime is 12603856073. The next prime is 12603856147. The reversal of 12603856079 is 97065830621.

It is a weak prime.

It is an emirp because it is prime and its reverse (97065830621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12603856079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12603856073) 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, 6301928039 + 6301928040.

It is an arithmetic number, because the mean of its divisors is an integer number (6301928040).

Almost surely, 212603856079 is an apocalyptic number.

12603856079 is a deficient number, since it is larger than the sum of its proper divisors (1).

12603856079 is an equidigital number, since it uses as much as digits as its factorization.

12603856079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 12603856079 in words is "twelve billion, six hundred three million, eight hundred fifty-six thousand, seventy-nine".