Search a number
-
+
68995368096 = 25329412932063
BaseRepresentation
bin100000001000001110…
…0011100010010100000
320121002101221211222120
41000100130130102200
52112300303234341
651410202104240
74661524644444
oct1002034342240
9217071854876
1068995368096
11272960a5276
12114564ab080
1366772780c5
1434a7420824
151bdc317066
hex101071c4a0

68995368096 has 192 divisors, whose sum is σ = 192676216320. Its totient is φ = 21579407360.

The previous prime is 68995368083. The next prime is 68995368103. The reversal of 68995368096 is 69086359986.

It is a self number, because there is not a number n which added to its sum of digits gives 68995368096.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33443161 + ... + 33445223.

It is an arithmetic number, because the mean of its divisors is an integer number (1003521960).

Almost surely, 268995368096 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 68995368096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96338108160).

68995368096 is an abundant number, since it is smaller than the sum of its proper divisors (123680848224).

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

68995368096 is a wasteful number, since it uses less digits than its factorization.

68995368096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439 (or 2431 counting only the distinct ones).

The product of its (nonzero) digits is 151165440, while the sum is 69.

The spelling of 68995368096 in words is "sixty-eight billion, nine hundred ninety-five million, three hundred sixty-eight thousand, ninety-six".