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68041278065343 = 3117145772885423
BaseRepresentation
bin11110111100010000110000…
…01101011000101010111111
322220220200102122201220101110
433132020120031120222333
532404242014141042333
6400413422010413103
720221551204631542
oct1736103015305277
9286820378656343
1068041278065343
111a7531646a9830
12776aa32431193
132bc735a24cc8b
1412b33031d4859
157ced9a80b063
hex3de218358abf

68041278065343 has 16 divisors (see below), whose sum is σ = 98969304531456. Its totient is φ = 41237066221440.

The previous prime is 68041278065339. The next prime is 68041278065357. The reversal of 68041278065343 is 34356087214086.

It is a happy number.

It is not a de Polignac number, because 68041278065343 - 22 = 68041278065339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68041278069343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22138330 + ... + 25023752.

It is an arithmetic number, because the mean of its divisors is an integer number (6185581533216).

Almost surely, 268041278065343 is an apocalyptic number.

68041278065343 is a deficient number, since it is larger than the sum of its proper divisors (30928026466113).

68041278065343 is a wasteful number, since it uses less digits than its factorization.

68041278065343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3600014.

The product of its (nonzero) digits is 23224320, while the sum is 57.

The spelling of 68041278065343 in words is "sixty-eight trillion, forty-one billion, two hundred seventy-eight million, sixty-five thousand, three hundred forty-three".

Divisors: 1 3 11 33 714577 2143731 2885423 7860347 8656269 23581041 31739653 95218959 2061856911071 6185570733213 22680426021781 68041278065343