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680116000000 = 2856170029
BaseRepresentation
bin10011110010110100001…
…00101001010100000000
32102000111110020112120111
421321122010221110000
542120334144000000
61240235130121104
7100064623421023
oct11713204512400
92360443215514
10680116000000
1124248782a148
12ab989580194
134c199b18678
1424cbc5b71ba
1512a58601cba
hex9e5a129500

680116000000 has 126 divisors (see below), whose sum is σ = 1696957380230. Its totient is φ = 272044800000.

The previous prime is 680115999973. The next prime is 680116000007. The reversal of 680116000000 is 611086.

It can be written as a sum of positive squares in 7 ways, for example, as 575316182016 + 104799817984 = 758496^2 + 323728^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680116000007) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 3914986 + ... + 4085014.

Almost surely, 2680116000000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680116000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (848478690115).

680116000000 is an abundant number, since it is smaller than the sum of its proper divisors (1016841380230).

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

680116000000 is an frugal number, since it uses more digits than its factorization.

680116000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170075 (or 170036 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 680116000000 its reverse (611086), we get a palindrome (680116611086).

The spelling of 680116000000 in words is "six hundred eighty billion, one hundred sixteen million", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 500 625 640 800 1000 1250 1280 1600 2000 2500 3125 3200 4000 5000 6250 6400 8000 10000 12500 15625 16000 20000 25000 31250 32000 40000 50000 62500 80000 100000 125000 160000 170029 200000 250000 340058 400000 500000 680116 800000 850145 1000000 1360232 1700290 2000000 2720464 3400580 4000000 4250725 5440928 6801160 8501450 10881856 13602320 17002900 21253625 21763712 27204640 34005800 42507250 43527424 54409280 68011600 85014500 106268125 108818560 136023200 170029000 212536250 217637120 272046400 340058000 425072500 531340625 544092800 680116000 850145000 1062681250 1088185600 1360232000 1700290000 2125362500 2656703125 2720464000 3400580000 4250725000 5313406250 5440928000 6801160000 8501450000 10626812500 13602320000 17002900000 21253625000 27204640000 34005800000 42507250000 68011600000 85014500000 136023200000 170029000000 340058000000 680116000000