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10868254717 = 171619394879
BaseRepresentation
bin10100001111100110…
…00110011111111101
31001001102112112200111
422013303012133331
5134224233122332
64554240230021
7533216432545
oct120763063775
931042475614
1010868254717
1146779346a1
12213390b311
13104284a668
147515b8325
15439218947
hex287cc67fd

10868254717 has 8 divisors (see below), whose sum is σ = 11514700800. Its totient is φ = 10222601664.

The previous prime is 10868254697. The next prime is 10868254769. The reversal of 10868254717 is 71745286801.

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 10868254717 - 27 = 10868254589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10868254777) 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, 169917 + ... + 224962.

It is an arithmetic number, because the mean of its divisors is an integer number (1439337600).

Almost surely, 210868254717 is an apocalyptic number.

10868254717 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

10868254717 is a deficient number, since it is larger than the sum of its proper divisors (646446083).

10868254717 is a wasteful number, since it uses less digits than its factorization.

10868254717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396515.

The product of its (nonzero) digits is 752640, while the sum is 49.

The spelling of 10868254717 in words is "ten billion, eight hundred sixty-eight million, two hundred fifty-four thousand, seven hundred seventeen".

Divisors: 1 17 1619 27523 394879 6712943 639309101 10868254717