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68888682063 = 332551432669
BaseRepresentation
bin100000000101000010…
…1011101111001001111
320120210222012122021000
41000022011131321033
52112041000311223
651351431311343
74656061064445
oct1001205357117
9216728178230
1068888682063
11272409574a3
121142681b553
13665b133286
1434971acb95
151bd2c91543
hex100a15de4f

68888682063 has 8 divisors (see below), whose sum is σ = 102057306800. Its totient is φ = 45925788024.

The previous prime is 68888682041. The next prime is 68888682091. The reversal of 68888682063 is 36028688886.

It is not a de Polignac number, because 68888682063 - 29 = 68888681551 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 (68888684063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1275716308 + ... + 1275716361.

It is an arithmetic number, because the mean of its divisors is an integer number (12757163350).

Almost surely, 268888682063 is an apocalyptic number.

68888682063 is a deficient number, since it is larger than the sum of its proper divisors (33168624737).

68888682063 is a wasteful number, since it uses less digits than its factorization.

68888682063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551432678 (or 2551432672 counting only the distinct ones).

The product of its (nonzero) digits is 42467328, while the sum is 63.

The spelling of 68888682063 in words is "sixty-eight billion, eight hundred eighty-eight million, six hundred eighty-two thousand, sixty-three".

Divisors: 1 3 9 27 2551432669 7654298007 22962894021 68888682063