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12743303215117 = 421170347177691
BaseRepresentation
bin1011100101110000100000…
…0011111011100000001101
31200010020200201012202022111
42321130020003323200031
53132241241110340432
643034105341344021
72453446635052426
oct271341003734015
950106621182274
1012743303215117
11407344a4a1992
1215198a2568011
137158c4378927
14320aca06664d
1517173899a347
hexb97080fb80d

12743303215117 has 8 divisors (see below), whose sum is σ = 12773719216352. Its totient is φ = 12712887910800.

The previous prime is 12743303215103. The next prime is 12743303215151. The reversal of 12743303215117 is 71151230334721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12743303215117 - 27 = 12743303214989 is a prime.

It is a super-2 number, since 2×127433032151172 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12743303215117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12743303215157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71627242 + ... + 71804932.

It is an arithmetic number, because the mean of its divisors is an integer number (1596714902044).

Almost surely, 212743303215117 is an apocalyptic number.

It is an amenable number.

12743303215117 is a deficient number, since it is larger than the sum of its proper divisors (30416001235).

12743303215117 is a wasteful number, since it uses less digits than its factorization.

12743303215117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348459.

The product of its (nonzero) digits is 105840, while the sum is 40.

Adding to 12743303215117 its reverse (71151230334721), we get a palindrome (83894533549838).

The spelling of 12743303215117 in words is "twelve trillion, seven hundred forty-three billion, three hundred three million, two hundred fifteen thousand, one hundred seventeen".

Divisors: 1 421 170347 177691 71716087 74807911 30269128777 12743303215117