Base | Representation |
---|---|
bin | 10001011110011001001001… |
… | …00101111100110100001011 |
3 | 12001001122120112100120222202 |
4 | 20233030210211330310023 |
5 | 20014044400144404030 |
6 | 213421234013310415 |
7 | 11044210614241604 |
oct | 1057144445746413 |
9 | 161048515316882 |
10 | 38427686325515 |
11 | 112760aa139843 |
12 | 438766249540b |
13 | 185993b5b4476 |
14 | 96bca4c48dab |
15 | 4698d408d745 |
hex | 22f32497cd0b |
38427686325515 has 32 divisors (see below), whose sum is σ = 48985927151616. Its totient is φ = 28838889192960.
The previous prime is 38427686325503. The next prime is 38427686325529. The reversal of 38427686325515 is 51552368672483.
It is a happy number.
38427686325515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 38427686325515 - 224 = 38427669548299 is a prime.
It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 516582014 + ... + 516656396.
It is an arithmetic number, because the mean of its divisors is an integer number (1530810223488).
Almost surely, 238427686325515 is an apocalyptic number.
38427686325515 is a deficient number, since it is larger than the sum of its proper divisors (10558240826101).
38427686325515 is a wasteful number, since it uses less digits than its factorization.
38427686325515 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 94259.
The product of its digits is 290304000, while the sum is 65.
The spelling of 38427686325515 in words is "thirty-eight trillion, four hundred twenty-seven billion, six hundred eighty-six million, three hundred twenty-five thousand, five hundred fifteen".
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