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68188814046 = 2324192396767
BaseRepresentation
bin111111100000010111…
…101011101011011110
320112000012021122211100
4333200113223223132
52104122314022141
651154150533530
74632532233063
oct774027535336
9215005248740
1068188814046
1126a11898281
12112703672a6
13657913bca2
14342c26ac6a
151b915e80b6
hexfe05ebade

68188814046 has 24 divisors (see below), whose sum is σ = 151345905984. Its totient is φ = 22175223840.

The previous prime is 68188814033. The next prime is 68188814051. The reversal of 68188814046 is 64041888186.

It is a happy number.

68188814046 is a `hidden beast` number, since 6 + 81 + 88 + 81 + 404 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 68188813983 and 68188814001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46197646 + ... + 46199121.

It is an arithmetic number, because the mean of its divisors is an integer number (6306079416).

Almost surely, 268188814046 is an apocalyptic number.

68188814046 is an abundant number, since it is smaller than the sum of its proper divisors (83157091938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68188814046 is a wasteful number, since it uses less digits than its factorization.

68188814046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92396816 (or 92396813 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 54.

It can be divided in two parts, 681888140 and 46, that added together give a palindrome (681888186).

The spelling of 68188814046 in words is "sixty-eight billion, one hundred eighty-eight million, eight hundred fourteen thousand, forty-six".

Divisors: 1 2 3 6 9 18 41 82 123 246 369 738 92396767 184793534 277190301 554380602 831570903 1663141806 3788267447 7576534894 11364802341 22729604682 34094407023 68188814046