Base | Representation |
---|---|
bin | 10010100110111001100… |
… | …01100111010001000000 |
3 | 2021010022001001012110122 |
4 | 21103130301213101000 |
5 | 40433401420400331 |
6 | 1205414553315412 |
7 | 64122626063600 |
oct | 11233461472100 |
9 | 2233261035418 |
10 | 639359153216 |
11 | 2271726349a3 |
12 | a3ab4105b68 |
13 | 483a3012094 |
14 | 22d336b4c00 |
15 | 1197046917b |
hex | 94dcc67440 |
639359153216 has 168 divisors, whose sum is σ = 1498573071936. Its totient is φ = 269805634560.
The previous prime is 639359153171. The next prime is 639359153227. The reversal of 639359153216 is 612351953936.
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 23 ways as a sum of consecutive naturals, for example, 250041410 + ... + 250043966.
Almost surely, 2639359153216 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 639359153216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749286535968).
639359153216 is an abundant number, since it is smaller than the sum of its proper divisors (859213918720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
639359153216 is a wasteful number, since it uses less digits than its factorization.
639359153216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3777 (or 3760 counting only the distinct ones).
The product of its digits is 3936600, while the sum is 53.
The spelling of 639359153216 in words is "six hundred thirty-nine billion, three hundred fifty-nine million, one hundred fifty-three thousand, two hundred sixteen".
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