Base | Representation |
---|---|
bin | 11110111111001111100110… |
… | …01111100000101111001100 |
3 | 22221021110220012110011122222 |
4 | 33133213303033200233030 |
5 | 32412431333143041110 |
6 | 400532444534554512 |
7 | 20232136221120344 |
oct | 1737476317405714 |
9 | 287243805404588 |
10 | 68143737080780 |
11 | 1a792662095599 |
12 | 7786867808a38 |
13 | 2c03c0833c12a |
14 | 12b8262a77d24 |
15 | 7d2895877c55 |
hex | 3df9f33e0bcc |
68143737080780 has 12 divisors (see below), whose sum is σ = 143101847869680. Its totient is φ = 27257494832304.
The previous prime is 68143737080779. The next prime is 68143737080791. The reversal of 68143737080780 is 8708073734186.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1703593427000 + ... + 1703593427039.
It is an arithmetic number, because the mean of its divisors is an integer number (11925153989140).
Almost surely, 268143737080780 is an apocalyptic number.
It is an amenable number.
68143737080780 is an abundant number, since it is smaller than the sum of its proper divisors (74958110788900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68143737080780 is a wasteful number, since it uses less digits than its factorization.
68143737080780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3407186854048 (or 3407186854046 counting only the distinct ones).
The product of its (nonzero) digits is 37933056, while the sum is 62.
The spelling of 68143737080780 in words is "sixty-eight trillion, one hundred forty-three billion, seven hundred thirty-seven million, eighty thousand, seven hundred eighty".
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