Base | Representation |
---|---|
bin | 1011010101110101100… |
… | …10111101101100110111 |
3 | 1101020211112111202222100 |
4 | 11222322302331230313 |
5 | 22341031312304433 |
6 | 455003355433143 |
7 | 40103441444640 |
oct | 5527262755467 |
9 | 1336745452870 |
10 | 389680978743 |
11 | 140298831a61 |
12 | 636334557b3 |
13 | 2a9928232c4 |
14 | 14c099186c7 |
15 | a20aa20b13 |
hex | 5abacbdb37 |
389680978743 has 192 divisors, whose sum is σ = 711776665600. Its totient is φ = 200445373440.
The previous prime is 389680978717. The next prime is 389680978751. The reversal of 389680978743 is 347879086983.
389680978743 is a `hidden beast` number, since 389 + 6 + 80 + 97 + 87 + 4 + 3 = 666.
It is not a de Polignac number, because 389680978743 - 25 = 389680978711 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (389680978703) by changing a digit.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 899955855 + ... + 899956287.
Almost surely, 2389680978743 is an apocalyptic number.
389680978743 is a deficient number, since it is larger than the sum of its proper divisors (322095686857).
389680978743 is a wasteful number, since it uses less digits than its factorization.
389680978743 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 882 (or 879 counting only the distinct ones).
The product of its (nonzero) digits is 438939648, while the sum is 72.
The spelling of 389680978743 in words is "three hundred eighty-nine billion, six hundred eighty million, nine hundred seventy-eight thousand, seven hundred forty-three".
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