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12704605065287 is a prime number
BaseRepresentation
bin1011100011100000010101…
…1110001101000001000111
31122222112210202211001111222
42320320011132031001013
53131123012344042122
643004225345550555
72450606646156242
oct270700536150107
948875722731458
1012704605065287
114058aa1395183
1215122a264545b
13712067c2b515
1431cc9873c259
1517072141bb42
hexb8e0578d047

12704605065287 has 2 divisors, whose sum is σ = 12704605065288. Its totient is φ = 12704605065286.

The previous prime is 12704605065221. The next prime is 12704605065487. The reversal of 12704605065287 is 78256050640721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12704605065287 - 224 = 12704588288071 is a prime.

It is a super-2 number, since 2×127046050652872 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12704605065487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6352302532643 + 6352302532644.

It is an arithmetic number, because the mean of its divisors is an integer number (6352302532644).

Almost surely, 212704605065287 is an apocalyptic number.

12704605065287 is a deficient number, since it is larger than the sum of its proper divisors (1).

12704605065287 is an equidigital number, since it uses as much as digits as its factorization.

12704605065287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 12704605065287 in words is "twelve trillion, seven hundred four billion, six hundred five million, sixty-five thousand, two hundred eighty-seven".