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68165377341 = 3193673258539
BaseRepresentation
bin111111011110111110…
…010001110100111101
320111221120011221201020
4333132332101310331
52104100314033331
651151552334353
74632126101355
oct773676216475
9214846157636
1068165377341
11269aa63a9a6
12112645443b9
136574324509
1434290c9b65
151b8e518c96
hexfdef91d3d

68165377341 has 16 divisors (see below), whose sum is σ = 95931417600. Its totient is φ = 42934496688.

The previous prime is 68165377333. The next prime is 68165377349. The reversal of 68165377341 is 14377356186.

It is an interprime number because it is at equal distance from previous prime (68165377333) and next prime (68165377349).

It is not a de Polignac number, because 68165377341 - 23 = 68165377333 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68165377349) 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, 1608351 + ... + 1650188.

It is an arithmetic number, because the mean of its divisors is an integer number (5995713600).

Almost surely, 268165377341 is an apocalyptic number.

It is an amenable number.

68165377341 is a deficient number, since it is larger than the sum of its proper divisors (27766040259).

68165377341 is a wasteful number, since it uses less digits than its factorization.

68165377341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3258928.

The product of its digits is 2540160, while the sum is 51.

The spelling of 68165377341 in words is "sixty-eight billion, one hundred sixty-five million, three hundred seventy-seven thousand, three hundred forty-one".

Divisors: 1 3 19 57 367 1101 6973 20919 3258539 9775617 61912241 185736723 1195883813 3587651439 22721792447 68165377341