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12963928818305 = 519516473205307
BaseRepresentation
bin1011110010100110011001…
…0111110100001010000001
31200220100011111012122022002
42330221212113310022001
53144400111234141210
643323314025553345
72505420145536353
oct274514627641201
950810144178262
1012963928818305
114148a75938033
1215545b5645855
13730654863c1a
1432b65955d0d3
1517734ca644a5
hexbca665f4281

12963928818305 has 16 divisors (see below), whose sum is σ = 15567168674304. Its totient is φ = 10364175369600.

The previous prime is 12963928818301. The next prime is 12963928818317. The reversal of 12963928818305 is 50381882936921.

It is not a de Polignac number, because 12963928818305 - 22 = 12963928818301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12963928818301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63041462 + ... + 63246768.

It is an arithmetic number, because the mean of its divisors is an integer number (972948042144).

Almost surely, 212963928818305 is an apocalyptic number.

It is an amenable number.

12963928818305 is a deficient number, since it is larger than the sum of its proper divisors (2603239855999).

12963928818305 is a wasteful number, since it uses less digits than its factorization.

12963928818305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213736.

The product of its (nonzero) digits is 44789760, while the sum is 65.

The spelling of 12963928818305 in words is "twelve trillion, nine hundred sixty-three billion, nine hundred twenty-eight million, eight hundred eighteen thousand, three hundred five".

Divisors: 1 5 1951 6473 9755 32365 205307 1026535 12628823 63144115 400553957 1328952211 2002769785 6644761055 2592785763661 12963928818305