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12985383116143 is a prime number
BaseRepresentation
bin1011110011110110010100…
…1001011101110101101111
31200222101112200020220010201
42330331211021131311233
53200223031034204033
643341222550014331
72510106620213554
oct274754511356557
950871480226121
1012985383116143
114157085271599
1215587a26473a7
1373269361ba09
1432c6d2a4ca2b
15177ba62ed47d
hexbcf6525dd6f

12985383116143 has 2 divisors, whose sum is σ = 12985383116144. Its totient is φ = 12985383116142.

The previous prime is 12985383116131. The next prime is 12985383116207. The reversal of 12985383116143 is 34161138358921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12985383116143 - 225 = 12985349561711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12985383111143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6492691558071 + 6492691558072.

It is an arithmetic number, because the mean of its divisors is an integer number (6492691558072).

Almost surely, 212985383116143 is an apocalyptic number.

12985383116143 is a deficient number, since it is larger than the sum of its proper divisors (1).

12985383116143 is an equidigital number, since it uses as much as digits as its factorization.

12985383116143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3732480, while the sum is 55.

The spelling of 12985383116143 in words is "twelve trillion, nine hundred eighty-five billion, three hundred eighty-three million, one hundred sixteen thousand, one hundred forty-three".