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868503664747 = 5344936496351
BaseRepresentation
bin11001010001101101101…
…10100011100001101011
310002000202111212110210001
430220312312203201223
5103212143414232442
61502552435403431
7116514221226145
oct14506666434153
93060674773701
10868503664747
1130536a749a64
121203a4153577
1363b903b5b44
143007034dc95
15178d237e2b7
hexca36da386b

868503664747 has 8 divisors (see below), whose sum is σ = 886861353600. Its totient is φ = 850218969600.

The previous prime is 868503664729. The next prime is 868503664789. The reversal of 868503664747 is 747466305868.

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 868503664747 - 231 = 866356181099 is a prime.

It is a super-3 number, since 3×8685036647473 (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868503664247) 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, 18224379 + ... + 18271972.

It is an arithmetic number, because the mean of its divisors is an integer number (110857669200).

Almost surely, 2868503664747 is an apocalyptic number.

868503664747 is a deficient number, since it is larger than the sum of its proper divisors (18357688853).

868503664747 is a wasteful number, since it uses less digits than its factorization.

868503664747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36496853.

The product of its (nonzero) digits is 162570240, while the sum is 64.

The spelling of 868503664747 in words is "eight hundred sixty-eight billion, five hundred three million, six hundred sixty-four thousand, seven hundred forty-seven".

Divisors: 1 53 449 23797 36496351 1934306603 16386861599 868503664747