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68103351599808 = 263759870798639
BaseRepresentation
bin11110111110000100011000…
…00101001000001011000000
322221010121122200001011200110
433133002030011020023000
532411301131002143213
6400502125305551320
720226206353155330
oct1737021405101300
9287117580034613
1068103351599808
111a777518588a38
12777aa767a5540
132c0017045ca25
1412b63112050c0
157d17d00e95c3
hex3df08c1482c0

68103351599808 has 224 divisors, whose sum is σ = 209448104140800. Its totient is φ = 19125911356416.

The previous prime is 68103351599783. The next prime is 68103351599819. The reversal of 68103351599808 is 80899515330186.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 690380953 + ... + 690479591.

It is an arithmetic number, because the mean of its divisors is an integer number (935036179200).

Almost surely, 268103351599808 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 68103351599808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104724052070400).

68103351599808 is an abundant number, since it is smaller than the sum of its proper divisors (141344752540992).

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

68103351599808 is a wasteful number, since it uses less digits than its factorization.

68103351599808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107427 (or 107417 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 66.

The spelling of 68103351599808 in words is "sixty-eight trillion, one hundred three billion, three hundred fifty-one million, five hundred ninety-nine thousand, eight hundred eight".