Search a number
-
+
680323348328 = 23136541570657
BaseRepresentation
bin10011110011001100110…
…11100111011101101000
32102001000220101221000012
421321212123213131220
542121300234121303
61240311454231052
7100103022022061
oct11714633473550
92361026357005
10680323348328
11242583880aa8
12aba26ab5488
134c200a765a0
1424cdbd4d568
1512a6b90d5d8
hex9e666e7768

680323348328 has 16 divisors (see below), whose sum is σ = 1373729838180. Its totient is φ = 313995391488.

The previous prime is 680323348321. The next prime is 680323348333. The reversal of 680323348328 is 823843323086.

It can be written as a sum of positive squares in 2 ways, for example, as 480945024004 + 199378324324 = 693502^2 + 446518^2 .

It is not an unprimeable number, because it can be changed into a prime (680323348321) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3270785225 + ... + 3270785432.

Almost surely, 2680323348328 is an apocalyptic number.

It is an amenable number.

680323348328 is an abundant number, since it is smaller than the sum of its proper divisors (693406489852).

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

680323348328 is a wasteful number, since it uses less digits than its factorization.

680323348328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6541570676 (or 6541570672 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 50.

The spelling of 680323348328 in words is "six hundred eighty billion, three hundred twenty-three million, three hundred forty-eight thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 13 26 52 104 6541570657 13083141314 26166282628 52332565256 85040418541 170080837082 340161674164 680323348328