Base | Representation |
---|---|
bin | 100101001001101100… |
… | …0011111001101000100 |
3 | 21121221011001122210210 |
4 | 1022103120133031010 |
5 | 2301343203100343 |
6 | 100352410515420 |
7 | 5523034334154 |
oct | 1122330371504 |
9 | 247834048723 |
10 | 79782081348 |
11 | 309209a5622 |
12 | 13566a35b70 |
13 | 76a5c45878 |
14 | 3c0bc50764 |
15 | 211e2c5333 |
hex | 129361f344 |
79782081348 has 24 divisors (see below), whose sum is σ = 188077349152. Its totient is φ = 26319861504.
The previous prime is 79782081331. The next prime is 79782081391. The reversal of 79782081348 is 84318028797.
It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34269490 + ... + 34271817.
Almost surely, 279782081348 is an apocalyptic number.
It is an amenable number.
79782081348 is an abundant number, since it is smaller than the sum of its proper divisors (108295267804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79782081348 is a wasteful number, since it uses less digits than its factorization.
79782081348 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68541411 (or 68541409 counting only the distinct ones).
The product of its (nonzero) digits is 5419008, while the sum is 57.
The spelling of 79782081348 in words is "seventy-nine billion, seven hundred eighty-two million, eighty-one thousand, three hundred forty-eight".
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