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68106182578648 = 2319448066990649
BaseRepresentation
bin11110111110001001101001…
…10100011101000111011000
322221010212221222000210120121
433133010310310131013120
532411322430220004043
6400503314235403024
720226336460120054
oct1737046464350730
9287125858023517
1068106182578648
111a7787405a5275
12777b5268b3474
132c00501b15636
1412b64dd1b0c64
157d18e8902ded
hex3df134d1d1d8

68106182578648 has 16 divisors (see below), whose sum is σ = 134420097195000. Its totient is φ = 32260823326656.

The previous prime is 68106182578613. The next prime is 68106182578703. The reversal of 68106182578648 is 84687528160186.

It is a super-2 number, since 2×681061825786482 (a number of 28 digits) contains 22 as substring.

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, 224033495173 + ... + 224033495476.

Almost surely, 268106182578648 is an apocalyptic number.

It is an amenable number.

68106182578648 is a deficient number, since it is larger than the sum of its proper divisors (66313914616352).

68106182578648 is a wasteful number, since it uses less digits than its factorization.

68106182578648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448066990674 (or 448066990670 counting only the distinct ones).

The product of its (nonzero) digits is 247726080, while the sum is 70.

The spelling of 68106182578648 in words is "sixty-eight trillion, one hundred six billion, one hundred eighty-two million, five hundred seventy-eight thousand, six hundred forty-eight".

Divisors: 1 2 4 8 19 38 76 152 448066990649 896133981298 1792267962596 3584535925192 8513272822331 17026545644662 34053091289324 68106182578648