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12193711493 is a prime number
BaseRepresentation
bin10110101101100110…
…10100010110000101
31011110210121201120012
423112303110112011
5144433042231433
65333545320005
7611112560165
oct132663242605
934423551505
1012193711493
115198039a17
122443796005
1311c4329702
148396445a5
154b5786848
hex2d6cd4585

12193711493 has 2 divisors, whose sum is σ = 12193711494. Its totient is φ = 12193711492.

The previous prime is 12193711489. The next prime is 12193711589. The reversal of 12193711493 is 39411739121.

12193711493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7761081409 + 4432630084 = 88097^2 + 66578^2 .

It is a cyclic number.

It is not a de Polignac number, because 12193711493 - 22 = 12193711489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12193711493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12193711483) 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, 6096855746 + 6096855747.

It is an arithmetic number, because the mean of its divisors is an integer number (6096855747).

Almost surely, 212193711493 is an apocalyptic number.

It is an amenable number.

12193711493 is a deficient number, since it is larger than the sum of its proper divisors (1).

12193711493 is an equidigital number, since it uses as much as digits as its factorization.

12193711493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 41.

The spelling of 12193711493 in words is "twelve billion, one hundred ninety-three million, seven hundred eleven thousand, four hundred ninety-three".