Base | Representation |
---|---|
bin | 100100001101000010… |
… | …000110110110110111 |
3 | 10201100011002101111111 |
4 | 210031002012312313 |
5 | 1114103040034342 |
6 | 25505211015451 |
7 | 2544214060315 |
oct | 441502066667 |
9 | 121304071444 |
10 | 38873361847 |
11 | 15538aaa131 |
12 | 764a73a587 |
13 | 3886835b78 |
14 | 1c4aad70b5 |
15 | 1027b3d217 |
hex | 90d086db7 |
38873361847 has 16 divisors (see below), whose sum is σ = 41662933600. Its totient is φ = 36160266240.
The previous prime is 38873361827. The next prime is 38873361851. The reversal of 38873361847 is 74816337883.
It is a cyclic number.
It is not a de Polignac number, because 38873361847 - 27 = 38873361719 is a prime.
It is a super-2 number, since 2×388733618472 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 38873361791 and 38873361800.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38873361827) 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, 639679 + ... + 697807.
It is an arithmetic number, because the mean of its divisors is an integer number (2603933350).
Almost surely, 238873361847 is an apocalyptic number.
38873361847 is a deficient number, since it is larger than the sum of its proper divisors (2789571753).
38873361847 is a wasteful number, since it uses less digits than its factorization.
38873361847 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58786.
The product of its digits is 16257024, while the sum is 58.
The spelling of 38873361847 in words is "thirty-eight billion, eight hundred seventy-three million, three hundred sixty-one thousand, eight hundred forty-seven".
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