Base | Representation |
---|---|
bin | 100011101110101111… |
… | …000011010010000101 |
3 | 10200000201121110201101 |
4 | 203232233003102011 |
5 | 1112032423044424 |
6 | 25342532100101 |
7 | 2525502354460 |
oct | 435657032205 |
9 | 120021543641 |
10 | 38365049989 |
11 | 152a8085992 |
12 | 7528464631 |
13 | 3805430716 |
14 | 1bdd3ba2d7 |
15 | ee81d2344 |
hex | 8eebc3485 |
38365049989 has 8 divisors (see below), whose sum is σ = 43847084160. Its totient is φ = 32883344016.
The previous prime is 38365049981. The next prime is 38365050001. The reversal of 38365049989 is 98994056383.
38365049989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 38365049989 - 23 = 38365049981 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 38365049989.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38365049981) 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, 268047 + ... + 385459.
It is an arithmetic number, because the mean of its divisors is an integer number (5480885520).
Almost surely, 238365049989 is an apocalyptic number.
It is an amenable number.
38365049989 is a deficient number, since it is larger than the sum of its proper divisors (5482034171).
38365049989 is a wasteful number, since it uses less digits than its factorization.
38365049989 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 164099.
The product of its (nonzero) digits is 50388480, while the sum is 64.
The spelling of 38365049989 in words is "thirty-eight billion, three hundred sixty-five million, forty-nine thousand, nine hundred eighty-nine".
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