Base | Representation |
---|---|
bin | 100100001111000111… |
… | …100111111111111101 |
3 | 10201102120221121201012 |
4 | 210033013213333331 |
5 | 1114141020101444 |
6 | 25512501125005 |
7 | 2545120424624 |
oct | 441707477775 |
9 | 121376847635 |
10 | 38908362749 |
11 | 155568358a3 |
12 | 765a3b9765 |
13 | 3890b6c169 |
14 | 1c516086bb |
15 | 102ac53b9e |
hex | 90f1e7ffd |
38908362749 has 8 divisors (see below), whose sum is σ = 40430530560. Its totient is φ = 37398228336.
The previous prime is 38908362743. The next prime is 38908362769. The reversal of 38908362749 is 94726380983.
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 38908362749 - 212 = 38908358653 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38908362743) 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, 3001757 + ... + 3014690.
It is an arithmetic number, because the mean of its divisors is an integer number (5053816320).
Almost surely, 238908362749 is an apocalyptic number.
It is an amenable number.
38908362749 is a deficient number, since it is larger than the sum of its proper divisors (1522167811).
38908362749 is a wasteful number, since it uses less digits than its factorization.
38908362749 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6016699.
The product of its (nonzero) digits is 15676416, while the sum is 59.
The spelling of 38908362749 in words is "thirty-eight billion, nine hundred eight million, three hundred sixty-two thousand, seven hundred forty-nine".
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