Base | Representation |
---|---|
bin | 1011010100110011111… |
… | …00011011100001000111 |
3 | 1101012102010101121101201 |
4 | 11222121330123201013 |
5 | 22333414212441124 |
6 | 454432550203331 |
7 | 40053666553633 |
oct | 5523174334107 |
9 | 1335363347351 |
10 | 389129812039 |
11 | 1400356a8291 |
12 | 634ba953547 |
13 | 2a905594a67 |
14 | 14b96643dc3 |
15 | a1c744c144 |
hex | 5a99f1b847 |
389129812039 has 8 divisors (see below), whose sum is σ = 399680962128. Its totient is φ = 378580458240.
The previous prime is 389129812013. The next prime is 389129812079. The reversal of 389129812039 is 930218921983.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 389129812039 - 27 = 389129811911 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (389129812079) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4042 + ... + 882199.
It is an arithmetic number, because the mean of its divisors is an integer number (49960120266).
Almost surely, 2389129812039 is an apocalyptic number.
389129812039 is a deficient number, since it is larger than the sum of its proper divisors (10551150089).
389129812039 is a wasteful number, since it uses less digits than its factorization.
389129812039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 898145.
The product of its (nonzero) digits is 1679616, while the sum is 55.
The spelling of 389129812039 in words is "three hundred eighty-nine billion, one hundred twenty-nine million, eight hundred twelve thousand, thirty-nine".
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