Base | Representation |
---|---|
bin | 11111000101111101101011… |
… | …00100100010001110010110 |
3 | 22222002112212120102012021100 |
4 | 33202332311210202032112 |
5 | 32430222220420412421 |
6 | 401230512141130530 |
7 | 20254622042020614 |
oct | 1742766544421626 |
9 | 288075776365240 |
10 | 68374630638486 |
11 | 1a871577521967 |
12 | 7803565559a46 |
13 | 2c1c913ba2663 |
14 | 12c54c7b246b4 |
15 | 7d88ab0cdc26 |
hex | 3e2fb5922396 |
68374630638486 has 24 divisors (see below), whose sum is σ = 148145200500960. Its totient is φ = 22791517784496.
The previous prime is 68374630638439. The next prime is 68374630638491. The reversal of 68374630638486 is 68483603647386.
68374630638486 is a `hidden beast` number, since 6 + 8 + 3 + 7 + 463 + 0 + 6 + 3 + 84 + 86 = 666.
It is a super-2 number, since 2×683746306384862 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20917200 + ... + 23964108.
It is an arithmetic number, because the mean of its divisors is an integer number (6172716687540).
Almost surely, 268374630638486 is an apocalyptic number.
68374630638486 is an abundant number, since it is smaller than the sum of its proper divisors (79770569862474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68374630638486 is a wasteful number, since it uses less digits than its factorization.
68374630638486 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4293620 (or 4293617 counting only the distinct ones).
The product of its (nonzero) digits is 2006581248, while the sum is 72.
The spelling of 68374630638486 in words is "sixty-eight trillion, three hundred seventy-four billion, six hundred thirty million, six hundred thirty-eight thousand, four hundred eighty-six".
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