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680446461684 = 2231117595139479
BaseRepresentation
bin10011110011011011100…
…01010000011011110100
32102001100111001201210010
421321231301100123310
542122023243233214
61240332013100220
7100106045331123
oct11715561203364
92361314051703
10680446461684
11242637319980
12aba60187670
134c220420622
1424d10439aba
1512a7762b659
hex9e6dc506f4

680446461684 has 96 divisors (see below), whose sum is σ = 1865014502400. Its totient is φ = 190777423360.

The previous prime is 680446461679. The next prime is 680446461689. The reversal of 680446461684 is 486164644086.

It is an interprime number because it is at equal distance from previous prime (680446461679) and next prime (680446461689).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680446461689) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2437344 + ... + 2702135.

It is an arithmetic number, because the mean of its divisors is an integer number (19427234400).

Almost surely, 2680446461684 is an apocalyptic number.

It is an amenable number.

680446461684 is an abundant number, since it is smaller than the sum of its proper divisors (1184568040716).

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

680446461684 is a wasteful number, since it uses less digits than its factorization.

680446461684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5139573 (or 5139571 counting only the distinct ones).

The product of its (nonzero) digits is 21233664, while the sum is 57.

The spelling of 680446461684 in words is "six hundred eighty billion, four hundred forty-six million, four hundred sixty-one thousand, six hundred eighty-four".

Divisors: 1 2 3 4 6 11 12 17 22 33 34 44 51 59 66 68 102 118 132 177 187 204 236 354 374 561 649 708 748 1003 1122 1298 1947 2006 2244 2596 3009 3894 4012 6018 7788 11033 12036 22066 33099 44132 66198 132396 5139479 10278958 15418437 20557916 30836874 56534269 61673748 87371143 113068538 169602807 174742286 226137076 262113429 303229261 339205614 349484572 524226858 606458522 678411228 909687783 961082573 1048453716 1212917044 1819375566 1922165146 2883247719 3335521871 3638751132 3844330292 5154897437 5766495438 6671043742 10006565613 10309794874 11532990876 13342087484 15464692311 20013131226 20619589748 30929384622 40026262452 56703871807 61858769244 113407743614 170111615421 226815487228 340223230842 680446461684