Base | Representation |
---|---|
bin | 100100001101110101… |
… | …100101101010000101 |
3 | 10201101002111000211220 |
4 | 210031311211222011 |
5 | 1114120013413344 |
6 | 25510412150553 |
7 | 2544436555644 |
oct | 441565455205 |
9 | 121332430756 |
10 | 38886857349 |
11 | 1554568753a |
12 | 7653168459 |
13 | 388957c782 |
14 | 1c4c80b35b |
15 | 1028e06c19 |
hex | 90dd65a85 |
38886857349 has 16 divisors (see below), whose sum is σ = 54903614400. Its totient is φ = 24397587200.
The previous prime is 38886857297. The next prime is 38886857363. The reversal of 38886857349 is 94375868883.
It is a cyclic number.
It is not a de Polignac number, because 38886857349 - 228 = 38618421893 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38886853349) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 815827 + ... + 862175.
It is an arithmetic number, because the mean of its divisors is an integer number (3431475900).
Almost surely, 238886857349 is an apocalyptic number.
It is an amenable number.
38886857349 is a deficient number, since it is larger than the sum of its proper divisors (16016757051).
38886857349 is a wasteful number, since it uses less digits than its factorization.
38886857349 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62820.
The product of its digits is 278691840, while the sum is 69.
The spelling of 38886857349 in words is "thirty-eight billion, eight hundred eighty-six million, eight hundred fifty-seven thousand, three hundred forty-nine".
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