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12081600873091 is a prime number
BaseRepresentation
bin1010111111001111011110…
…0001110100001010000011
31120202222201112111221211101
42233303313201310022003
53040421104310414331
641410113311555231
72354603222001421
oct257636741641203
946688645457741
1012081600873091
1139388617a95a2
1214315b382bb17
136983a03a4989
142daa771d8111
1515e40bc12061
hexafcf7874283

12081600873091 has 2 divisors, whose sum is σ = 12081600873092. Its totient is φ = 12081600873090.

The previous prime is 12081600873061. The next prime is 12081600873101. The reversal of 12081600873091 is 19037800618021.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (19037800618021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12081600873091 - 217 = 12081600742019 is a prime.

It is not a weakly prime, because it can be changed into another prime (12081600873061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6040800436545 + 6040800436546.

It is an arithmetic number, because the mean of its divisors is an integer number (6040800436546).

Almost surely, 212081600873091 is an apocalyptic number.

12081600873091 is a deficient number, since it is larger than the sum of its proper divisors (1).

12081600873091 is an equidigital number, since it uses as much as digits as its factorization.

12081600873091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 46.

The spelling of 12081600873091 in words is "twelve trillion, eighty-one billion, six hundred million, eight hundred seventy-three thousand, ninety-one".