Base | Representation |
---|---|
bin | 100100101110110000… |
… | …010011100011100000 |
3 | 10202210120122220121200 |
4 | 210232300103203200 |
5 | 1121232403324413 |
6 | 30041301121200 |
7 | 2564223664626 |
oct | 445660234340 |
9 | 122716586550 |
10 | 39439120608 |
11 | 157a93a0058 |
12 | 77880b9200 |
13 | 3946b03174 |
14 | 1ca1cc9516 |
15 | 105c645573 |
hex | 92ec138e0 |
39439120608 has 72 divisors (see below), whose sum is σ = 112242141648. Its totient is φ = 13136159232.
The previous prime is 39439120601. The next prime is 39439120631. The reversal of 39439120608 is 80602193493.
It is a happy number.
39439120608 is a `hidden beast` number, since 3 + 9 + 4 + 39 + 1 + 2 + 0 + 608 = 666.
It is a tau number, because it is divible by the number of its divisors (72).
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (39439120601) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 322716 + ... + 427812.
It is an arithmetic number, because the mean of its divisors is an integer number (1558918634).
Almost surely, 239439120608 is an apocalyptic number.
It is an amenable number.
39439120608 is an abundant number, since it is smaller than the sum of its proper divisors (72803021040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39439120608 is a wasteful number, since it uses less digits than its factorization.
39439120608 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106416 (or 106405 counting only the distinct ones).
The product of its (nonzero) digits is 279936, while the sum is 45.
The spelling of 39439120608 in words is "thirty-nine billion, four hundred thirty-nine million, one hundred twenty thousand, six hundred eight".
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