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68673755842056 = 23322237211593141
BaseRepresentation
bin11111001110101010110101…
…10100101000011000001000
3100000011010222010020221220200
433213111122310220120020
533000122322443421211
6402020142104252200
720315341455215331
oct1747253264503010
9300133863227820
1068673755842056
111a977415940702
127851525a71060
132c41ba46c0631
1412d5b829cb288
157e1566a8db56
hex3e755ad28608

68673755842056 has 96 divisors (see below), whose sum is σ = 186851687742720. Its totient is φ = 22785401923200.

The previous prime is 68673755842031. The next prime is 68673755842169. The reversal of 68673755842056 is 65024855737686.

68673755842056 is a `hidden beast` number, since 6 + 8 + 6 + 7 + 37 + 5 + 584 + 2 + 0 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115483246 + ... + 116076386.

It is an arithmetic number, because the mean of its divisors is an integer number (1946371747320).

Almost surely, 268673755842056 is an apocalyptic number.

It is an amenable number.

68673755842056 is an abundant number, since it is smaller than the sum of its proper divisors (118177931900664).

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

68673755842056 is a wasteful number, since it uses less digits than its factorization.

68673755842056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600587 (or 600580 counting only the distinct ones).

The product of its (nonzero) digits is 2032128000, while the sum is 72.

The spelling of 68673755842056 in words is "sixty-eight trillion, six hundred seventy-three billion, seven hundred fifty-five million, eight hundred forty-two thousand, fifty-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 223 446 669 892 1338 1784 2007 2676 4014 5352 7211 8028 14422 16056 21633 28844 43266 57688 64899 86532 129798 173064 259596 519192 593141 1186282 1608053 1779423 2372564 3216106 3558846 4745128 4824159 5338269 6432212 7117692 9648318 10676538 12864424 14235384 14472477 19296636 21353076 28944954 38593272 42706152 57889908 115779816 132270443 264540886 396811329 529081772 793622658 1058163544 1190433987 1587245316 2380867974 3174490632 4277139751 4761735948 8554279502 9523471896 12831419253 17108559004 25662838506 34217118008 38494257759 51325677012 76988515518 102651354024 153977031036 307954062072 953802164473 1907604328946 2861406493419 3815208657892 5722812986838 7630417315784 8584219480257 11445625973676 17168438960514 22891251947352 34336877921028 68673755842056