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68073447366800 = 2452170183618417
BaseRepresentation
bin11110111101001100101011…
…01001100010000010010000
322221000202110120221201220222
433132212111221202002100
532410303410011214200
6400440302054252212
720224100325321461
oct1736462551420220
9287022416851828
1068073447366800
111a765872405087
12777510b957068
132bca3b5b887b5
1412b4ab57a8d68
157d0b2eadad85
hex3de995a62090

68073447366800 has 30 divisors (see below), whose sum is σ = 163546457299698. Its totient is φ = 27229378946560.

The previous prime is 68073447366781. The next prime is 68073447366829. The reversal of 68073447366800 is 866374437086.

It can be written as a sum of positive squares in 3 ways, for example, as 19464049828864 + 48609397537936 = 4411808^2 + 6972044^2 .

It is a super-3 number, since 3×680734473668003 (a number of 42 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85091808809 + ... + 85091809608.

Almost surely, 268073447366800 is an apocalyptic number.

It is an amenable number.

68073447366800 is an abundant number, since it is smaller than the sum of its proper divisors (95473009932898).

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

68073447366800 is a wasteful number, since it uses less digits than its factorization.

68073447366800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170183618435 (or 170183618424 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 62.

The spelling of 68073447366800 in words is "sixty-eight trillion, seventy-three billion, four hundred forty-seven million, three hundred sixty-six thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 170183618417 340367236834 680734473668 850918092085 1361468947336 1701836184170 2722937894672 3403672368340 4254590460425 6807344736680 8509180920850 13614689473360 17018361841700 34036723683400 68073447366800