Base | Representation |
---|---|
bin | 111111101011111101… |
… | …111011101010110000 |
3 | 20112111202102011101101 |
4 | 333223331323222300 |
5 | 2110022121443014 |
6 | 51225341214144 |
7 | 4640414141041 |
oct | 775375735260 |
9 | 215452364341 |
10 | 68383390384 |
11 | 27001706371 |
12 | 11305561354 |
13 | 65aa54770a |
14 | 344a03a8c8 |
15 | 1ba3730474 |
hex | febf7bab0 |
68383390384 has 20 divisors (see below), whose sum is σ = 132497075200. Its totient is φ = 34190596800.
The previous prime is 68383390363. The next prime is 68383390399. The reversal of 68383390384 is 48309338386.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718417 + ... + 808015.
It is an arithmetic number, because the mean of its divisors is an integer number (6624853760).
Almost surely, 268383390384 is an apocalyptic number.
It is an amenable number.
68383390384 is a deficient number, since it is larger than the sum of its proper divisors (64113684816).
68383390384 is a wasteful number, since it uses less digits than its factorization.
68383390384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 137308 (or 137302 counting only the distinct ones).
The product of its (nonzero) digits is 8957952, while the sum is 55.
The spelling of 68383390384 in words is "sixty-eight billion, three hundred eighty-three million, three hundred ninety thousand, three hundred eighty-four".
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