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68825756875 = 54110121211
BaseRepresentation
bin100000000011001010…
…1011011010011001011
320120122120210201010111
41000012111123103023
52111423343210000
651341302455151
74654365165211
oct1000625332313
9216576721114
1068825756875
1127209388907
12114097344b7
13664b0a0a35
14348caaccb1
151bcc4b1cba
hex100655b4cb

68825756875 has 10 divisors (see below), whose sum is σ = 86004666572. Its totient is φ = 55060605000.

The previous prime is 68825756849. The next prime is 68825756893. The reversal of 68825756875 is 57865752886.

It is not a de Polignac number, because 68825756875 - 25 = 68825756843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68825756875.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 55059981 + ... + 55061230.

Almost surely, 268825756875 is an apocalyptic number.

68825756875 is a deficient number, since it is larger than the sum of its proper divisors (17178909697).

68825756875 is an equidigital number, since it uses as much as digits as its factorization.

68825756875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110121231 (or 110121216 counting only the distinct ones).

The product of its digits is 225792000, while the sum is 67.

The spelling of 68825756875 in words is "sixty-eight billion, eight hundred twenty-five million, seven hundred fifty-six thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 625 110121211 550606055 2753030275 13765151375 68825756875