Base | Representation |
---|---|
bin | 11111000000011111011101… |
… | …11111101001011010100000 |
3 | 22221102120120110201211222100 |
4 | 33200033232333221122200 |
5 | 32414132142031023422 |
6 | 401004255420010400 |
7 | 20235214616421414 |
oct | 1740175677513240 |
9 | 287376513654870 |
10 | 68186615486112 |
11 | 1a7a9865903112 |
12 | 7793033690a00 |
13 | 2c07c7c8411c6 |
14 | 12ba36d638d44 |
15 | 7d3a54dd57ac |
hex | 3e03eefe96a0 |
68186615486112 has 144 divisors (see below), whose sum is σ = 209680243823232. Its totient is φ = 20936732928000.
The previous prime is 68186615486111. The next prime is 68186615486123. The reversal of 68186615486112 is 21168451668186.
68186615486112 is a `hidden beast` number, since 6 + 8 + 1 + 8 + 6 + 6 + 1 + 5 + 4 + 8 + 611 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a self number, because there is not a number n which added to its sum of digits gives 68186615486112.
It is not an unprimeable number, because it can be changed into a prime (68186615486111) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147929514 + ... + 148389737.
It is an arithmetic number, because the mean of its divisors is an integer number (1456112804328).
Almost surely, 268186615486112 is an apocalyptic number.
It is an amenable number.
68186615486112 is an abundant number, since it is smaller than the sum of its proper divisors (141493628337120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68186615486112 is a wasteful number, since it uses less digits than its factorization.
68186615486112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 296319331 (or 296319320 counting only the distinct ones).
The product of its digits is 26542080, while the sum is 63.
The spelling of 68186615486112 in words is "sixty-eight trillion, one hundred eighty-six billion, six hundred fifteen million, four hundred eighty-six thousand, one hundred twelve".
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