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680110677140 = 225172000325521
BaseRepresentation
bin10011110010110011100…
…00010101110010010100
32102000111002020002222112
421321121300111302110
542120331313132030
61240234420050152
7100064530241336
oct11713160256224
92360432202875
10680110677140
11242484823a94
12ab987833958
134c1989a394b
1424cbb9cd456
1512a57deea95
hex9e59c15c94

680110677140 has 24 divisors (see below), whose sum is σ = 1512246094632. Its totient is φ = 256041666560.

The previous prime is 680110677139. The next prime is 680110677203. The reversal of 680110677140 is 41776011086.

It can be written as a sum of positive squares in 4 ways, for example, as 338442370564 + 341668306576 = 581758^2 + 584524^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000162421 + ... + 1000163100.

It is an arithmetic number, because the mean of its divisors is an integer number (63010253943).

Almost surely, 2680110677140 is an apocalyptic number.

It is an amenable number.

680110677140 is an abundant number, since it is smaller than the sum of its proper divisors (832135417492).

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

680110677140 is a wasteful number, since it uses less digits than its factorization.

680110677140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000325547 (or 2000325545 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 41.

The spelling of 680110677140 in words is "six hundred eighty billion, one hundred ten million, six hundred seventy-seven thousand, one hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 2000325521 4000651042 8001302084 10001627605 20003255210 34005533857 40006510420 68011067714 136022135428 170027669285 340055338570 680110677140