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680237302100 = 225219934182779
BaseRepresentation
bin10011110011000010100…
…11011000000101010100
32102000210220111022202212
421321201103120011110
542121111222131400
61240255142052552
7100100625444326
oct11714123300524
92360726438685
10680237302100
1124253a250214
12aba0211a158
134c1b8caa165
1424cd0751616
1512a640b3335
hex9e614d8154

680237302100 has 36 divisors (see below), whose sum is σ = 1483532652000. Its totient is φ = 270727601760.

The previous prime is 680237302057. The next prime is 680237302169. The reversal of 680237302100 is 1203732086.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17071490 + ... + 17111289.

Almost surely, 2680237302100 is an apocalyptic number.

It is an amenable number.

680237302100 is an abundant number, since it is smaller than the sum of its proper divisors (803295349900).

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

680237302100 is a wasteful number, since it uses less digits than its factorization.

680237302100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34182992 (or 34182985 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 680237302100 in words is "six hundred eighty billion, two hundred thirty-seven million, three hundred two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 199 398 796 995 1990 3980 4975 9950 19900 34182779 68365558 136731116 170913895 341827790 683655580 854569475 1709138950 3418277900 6802373021 13604746042 27209492084 34011865105 68023730210 136047460420 170059325525 340118651050 680237302100