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68965806398 = 267514670197
BaseRepresentation
bin100000000111010101…
…1101011000100111110
320121000100022221221212
41000032223223010332
52112220221301043
651403224324422
74661015452646
oct1001653530476
9217010287855
1068965806398
1127280444115
1211448613712
1366710c7788
1434a3527526
151bd9928018
hex100eaeb13e

68965806398 has 8 divisors (see below), whose sum is σ = 104992720392. Its totient is φ = 33968232936.

The previous prime is 68965806379. The next prime is 68965806457. The reversal of 68965806398 is 89360856986.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257334965 + ... + 257335232.

It is an arithmetic number, because the mean of its divisors is an integer number (13124090049).

Almost surely, 268965806398 is an apocalyptic number.

68965806398 is a deficient number, since it is larger than the sum of its proper divisors (36026913994).

68965806398 is a wasteful number, since it uses less digits than its factorization.

68965806398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514670266.

The product of its (nonzero) digits is 134369280, while the sum is 68.

The spelling of 68965806398 in words is "sixty-eight billion, nine hundred sixty-five million, eight hundred six thousand, three hundred ninety-eight".

Divisors: 1 2 67 134 514670197 1029340394 34482903199 68965806398