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680084318 = 2340042159
BaseRepresentation
bin101000100010010…
…100001101011110
31202101200212022002
4220202110031132
52343100144233
6151252322302
722565423054
oct5042241536
91671625262
10680084318
11319987461
1216b913392
13aab88474
14664721d4
153ea8b6e8
hex2889435e

680084318 has 4 divisors (see below), whose sum is σ = 1020126480. Its totient is φ = 340042158.

The previous prime is 680084311. The next prime is 680084357. The reversal of 680084318 is 813480086.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680084311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170021078 + ... + 170021081.

It is an arithmetic number, because the mean of its divisors is an integer number (255031620).

Almost surely, 2680084318 is an apocalyptic number.

680084318 is a deficient number, since it is larger than the sum of its proper divisors (340042162).

680084318 is a wasteful number, since it uses less digits than its factorization.

680084318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340042161.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 680084318 is about 26078.4262945447. The cubic root of 680084318 is about 879.4022791926.

The spelling of 680084318 in words is "six hundred eighty million, eighty-four thousand, three hundred eighteen".

Divisors: 1 2 340042159 680084318