Search a number
-
+
68467554176 = 2772291013727
BaseRepresentation
bin111111110000111110…
…111111011110000000
320112201121210010101212
4333300332333132000
52110210143213201
651241545145252
74642455415400
oct776076773600
9215647703355
1068467554176
112704517091a
121132978b228
1365c1b05088
1434572a8800
151baad07abb
hexff0fbf780

68467554176 has 192 divisors, whose sum is σ = 165810628800. Its totient is φ = 28043366400.

The previous prime is 68467554091. The next prime is 68467554187. The reversal of 68467554176 is 67145576486.

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 23 ways as a sum of consecutive naturals, for example, 18368825 + ... + 18372551.

It is an arithmetic number, because the mean of its divisors is an integer number (863597025).

Almost surely, 268467554176 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68467554176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82905314400).

68467554176 is an abundant number, since it is smaller than the sum of its proper divisors (97343074624).

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

68467554176 is a wasteful number, since it uses less digits than its factorization.

68467554176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885 (or 3866 counting only the distinct ones).

The product of its digits is 33868800, while the sum is 59.

The spelling of 68467554176 in words is "sixty-eight billion, four hundred sixty-seven million, five hundred fifty-four thousand, one hundred seventy-six".