Base | Representation |
---|---|
bin | 10001011101001111011011… |
… | …11110111111110011010110 |
3 | 12000220212102202202021021010 |
4 | 20232213231332333303112 |
5 | 20012422330023020211 |
6 | 213351131244033050 |
7 | 11041310200246140 |
oct | 1056475576776326 |
9 | 160825382667233 |
10 | 38388115438806 |
11 | 11260343430991 |
12 | 437ba5a232786 |
13 | 1855ca33c79c3 |
14 | 969dcd65dc90 |
15 | 46886a0bb4a6 |
hex | 22e9edfbfcd6 |
38388115438806 has 32 divisors (see below), whose sum is σ = 87845937481728. Its totient is φ = 10955323779840.
The previous prime is 38388115438753. The next prime is 38388115438807. The reversal of 38388115438806 is 60883451188383.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38388115438807) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 529513435 + ... + 529585926.
It is an arithmetic number, because the mean of its divisors is an integer number (2745185546304).
Almost surely, 238388115438806 is an apocalyptic number.
38388115438806 is an abundant number, since it is smaller than the sum of its proper divisors (49457822042922).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38388115438806 is a wasteful number, since it uses less digits than its factorization.
38388115438806 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1059100236.
The product of its (nonzero) digits is 106168320, while the sum is 66.
The spelling of 38388115438806 in words is "thirty-eight trillion, three hundred eighty-eight billion, one hundred fifteen million, four hundred thirty-eight thousand, eight hundred six".
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