Base | Representation |
---|---|
bin | 11111010000110101001110… |
… | …10111101110000111100000 |
3 | 100000102020202010101112200210 |
4 | 33220122213113232013200 |
5 | 33002332003431144211 |
6 | 402114230435414120 |
7 | 20323611610642164 |
oct | 1750324727560740 |
9 | 300366663345623 |
10 | 68748054553056 |
11 | 1a9a598259a99a |
12 | 7863a00454340 |
13 | 2c48bb55c5858 |
14 | 12d95d04b2ca4 |
15 | 7e346477b9a6 |
hex | 3e86a75ee1e0 |
68748054553056 has 96 divisors (see below), whose sum is σ = 182257435590048. Its totient is φ = 22688252518400.
The previous prime is 68748054553037. The next prime is 68748054553069. The reversal of 68748054553056 is 65035545084786.
It is a tau number, because it is divible by the number of its divisors (96).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281381860 + ... + 281626076.
It is an arithmetic number, because the mean of its divisors is an integer number (1898514954063).
Almost surely, 268748054553056 is an apocalyptic number.
It is an amenable number.
68748054553056 is an abundant number, since it is smaller than the sum of its proper divisors (113509381036992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68748054553056 is a wasteful number, since it uses less digits than its factorization.
68748054553056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 273364 (or 273356 counting only the distinct ones).
The product of its (nonzero) digits is 483840000, while the sum is 66.
The spelling of 68748054553056 in words is "sixty-eight trillion, seven hundred forty-eight billion, fifty-four million, five hundred fifty-three thousand, fifty-six".
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