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680185585042 = 219597310613917
BaseRepresentation
bin10011110010111100011…
…10000101110110010010
32102000200022011211022021
421321132032011312102
542121010002210132
61240250053402054
7100066430035615
oct11713616056622
92360608154267
10680185585042
11242513037447
12ab9a893932a
134c1ab370352
1424cc792c17c
1512a5e799997
hex9e5e385d92

680185585042 has 64 divisors (see below), whose sum is σ = 1108468022400. Its totient is φ = 312019361280.

The previous prime is 680185585033. The next prime is 680185585069. The reversal of 680185585042 is 240585581086.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173647668 + ... + 173651584.

It is an arithmetic number, because the mean of its divisors is an integer number (17319812850).

Almost surely, 2680185585042 is an apocalyptic number.

680185585042 is a deficient number, since it is larger than the sum of its proper divisors (428282437358).

680185585042 is a wasteful number, since it uses less digits than its factorization.

680185585042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5131.

The product of its (nonzero) digits is 3072000, while the sum is 52.

The spelling of 680185585042 in words is "six hundred eighty billion, one hundred eighty-five million, five hundred eighty-five thousand, forty-two".

Divisors: 1 2 19 38 59 73 118 146 1061 1121 1387 2122 2242 2774 3917 4307 7834 8614 20159 40318 62599 74423 77453 81833 125198 148846 154906 163666 231103 285941 462206 571882 1189381 1471607 2378762 2943214 4155937 4390957 4569727 5432879 8311874 8781914 9139454 10865758 16870519 33741038 78962803 86824813 157925606 173649626 245200283 303383401 320539861 490400566 606766802 641079722 4658805377 5764284619 9317610754 11528569238 17899620659 35799241318 340092792521 680185585042