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680289578322 = 23776591459993
BaseRepresentation
bin10011110011001000110…
…10110010110101010010
32102000221112212020021020
421321210122302311102
542121213113001242
61240304250340310
7100102132002204
oct11714432626522
92360845766236
10680289578322
11242566806102
12aba1772a696
134c1c6a81633
1424cd767c774
1512a6898c6ec
hex9e646b2d52

680289578322 has 16 divisors (see below), whose sum is σ = 1360597608480. Its totient is φ = 226760117472.

The previous prime is 680289578321. The next prime is 680289578329. The reversal of 680289578322 is 223875982086.

It is a happy number.

680289578322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (680289578321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264043 + ... + 1195950.

It is an arithmetic number, because the mean of its divisors is an integer number (85037350530).

Almost surely, 2680289578322 is an apocalyptic number.

680289578322 is an abundant number, since it is smaller than the sum of its proper divisors (680308030158).

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

680289578322 is a wasteful number, since it uses less digits than its factorization.

680289578322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537657.

The product of its (nonzero) digits is 23224320, while the sum is 60.

The spelling of 680289578322 in words is "six hundred eighty billion, two hundred eighty-nine million, five hundred seventy-eight thousand, three hundred twenty-two".

Divisors: 1 2 3 6 77659 155318 232977 465954 1459993 2919986 4379979 8759958 113381596387 226763192774 340144789161 680289578322