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12768238968371 = 107131910910963
BaseRepresentation
bin1011100111001101011001…
…0110010001111000110011
31200012122001112020021011022
42321303112112101320303
53133143323133441441
643053351545210055
72455321602341465
oct271632626217063
950178045207138
1012768238968371
114082a86037427
1215226a149092b
137180694a9203
14321db3a88135
151721e7bcb84b
hexb9cd6591e33

12768238968371 has 8 divisors (see below), whose sum is σ = 12985946702784. Its totient is φ = 12552353056360.

The previous prime is 12768238968367. The next prime is 12768238968403. The reversal of 12768238968371 is 17386983286721.

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 12768238968371 - 22 = 12768238968367 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12768238968295 and 12768238968304.

It is not an unprimeable number, because it can be changed into a prime (12768238968361) 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, 455441465 + ... + 455469498.

It is an arithmetic number, because the mean of its divisors is an integer number (1623243337848).

Almost surely, 212768238968371 is an apocalyptic number.

12768238968371 is a deficient number, since it is larger than the sum of its proper divisors (217707734413).

12768238968371 is a wasteful number, since it uses less digits than its factorization.

12768238968371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910911201.

The product of its digits is 292626432, while the sum is 71.

The spelling of 12768238968371 in words is "twelve trillion, seven hundred sixty-eight billion, two hundred thirty-eight million, nine hundred sixty-eight thousand, three hundred seventy-one".

Divisors: 1 107 131 14017 910910963 97467473041 119329336153 12768238968371