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68860605223 = 617407927361
BaseRepresentation
bin100000000100001101…
…0010111001100100111
320120202000101012002001
41000020122113030213
52112011303331343
651344545430131
74655300325664
oct1001032271447
9216660335061
1068860605223
112722701a9a3
121141933b347
136655382767
143493580a6b
151bd059744d
hex1008697327

68860605223 has 8 divisors (see below), whose sum is σ = 68991641280. Its totient is φ = 68729633280.

The previous prime is 68860605221. The next prime is 68860605227. The reversal of 68860605223 is 32250606886.

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 68860605223 - 21 = 68860605221 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 (68860605221) 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, 2503063 + ... + 2530423.

It is an arithmetic number, because the mean of its divisors is an integer number (8623955160).

Almost surely, 268860605223 is an apocalyptic number.

68860605223 is a deficient number, since it is larger than the sum of its proper divisors (131036057).

68860605223 is a wasteful number, since it uses less digits than its factorization.

68860605223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32057.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 68860605223 in words is "sixty-eight billion, eight hundred sixty million, six hundred five thousand, two hundred twenty-three".

Divisors: 1 617 4079 27361 2516743 16881737 111605519 68860605223