Base | Representation |
---|---|
bin | 10001101010110110011111… |
… | …00110101100110010111101 |
3 | 12002120120111112012112120122 |
4 | 20311123033212230302331 |
5 | 20043103042320011120 |
6 | 214350031033424325 |
7 | 11120143612445642 |
oct | 1065331746546275 |
9 | 162516445175518 |
10 | 38855757188285 |
11 | 114206a7a68884 |
12 | 443660a56b0a5 |
13 | 188b10b72197b |
14 | 9848b3165dc9 |
15 | 475ada049a25 |
hex | 2356cf9accbd |
38855757188285 has 32 divisors (see below), whose sum is σ = 49126365941760. Its totient is φ = 29421340458048.
The previous prime is 38855757188191. The next prime is 38855757188327. The reversal of 38855757188285 is 58288175755883.
It is a cyclic number.
It is not a de Polignac number, because 38855757188285 - 28 = 38855757188029 is a prime.
It is a super-2 number, since 2×388557571882852 (a number of 28 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (80) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 481521212 + ... + 481601898.
It is an arithmetic number, because the mean of its divisors is an integer number (1535198935680).
Almost surely, 238855757188285 is an apocalyptic number.
It is an amenable number.
38855757188285 is a deficient number, since it is larger than the sum of its proper divisors (10270608753475).
38855757188285 is a wasteful number, since it uses less digits than its factorization.
38855757188285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85337.
The product of its digits is 6021120000, while the sum is 80.
The spelling of 38855757188285 in words is "thirty-eight trillion, eight hundred fifty-five billion, seven hundred fifty-seven million, one hundred eighty-eight thousand, two hundred eighty-five".
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