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12460457681279 is a prime number
BaseRepresentation
bin1011010101010010110100…
…1001110110000101111111
31122010012121201102220012222
42311110231021312011333
53113123004131300104
642300131044115555
72424144520511666
oct265245511660577
948105551386188
1012460457681279
113a744a5576a53
121492b06095bbb
136c502954411a
14311137331ddd
151691d23261be
hexb552d27617f

12460457681279 has 2 divisors, whose sum is σ = 12460457681280. Its totient is φ = 12460457681278.

The previous prime is 12460457681209. The next prime is 12460457681297. The reversal of 12460457681279 is 97218675406421.

Together with next prime (12460457681297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12460457681279 - 240 = 11360946053503 is a prime.

It is a super-3 number, since 3×124604576812793 (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12460457681209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6230228840639 + 6230228840640.

It is an arithmetic number, because the mean of its divisors is an integer number (6230228840640).

Almost surely, 212460457681279 is an apocalyptic number.

12460457681279 is a deficient number, since it is larger than the sum of its proper divisors (1).

12460457681279 is an equidigital number, since it uses as much as digits as its factorization.

12460457681279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40642560, while the sum is 62.

The spelling of 12460457681279 in words is "twelve trillion, four hundred sixty billion, four hundred fifty-seven million, six hundred eighty-one thousand, two hundred seventy-nine".