Base | Representation |
---|---|
bin | 10001101011010011000000… |
… | …00010100010000000101011 |
3 | 12002122001000101010110010020 |
4 | 20311221200002202000223 |
5 | 20043330420204231011 |
6 | 214401042035451523 |
7 | 11121225143342133 |
oct | 1065514002420053 |
9 | 162561011113106 |
10 | 38871065305131 |
11 | 11427142aa8614 |
12 | 4439581156ba3 |
13 | 188c6ab04b187 |
14 | 985526273ac3 |
15 | 4761d3e23006 |
hex | 235a600a202b |
38871065305131 has 32 divisors (see below), whose sum is σ = 54977406566400. Its totient is φ = 24344989971456.
The previous prime is 38871065305081. The next prime is 38871065305157. The reversal of 38871065305131 is 13150356017883.
It is a happy number.
It is not a de Polignac number, because 38871065305131 - 213 = 38871065296939 is a prime.
It is a super-2 number, since 2×388710653051312 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is not an unprimeable number, because it can be changed into a prime (38871065205131) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150881430 + ... + 151138836.
It is an arithmetic number, because the mean of its divisors is an integer number (1718043955200).
Almost surely, 238871065305131 is an apocalyptic number.
38871065305131 is a deficient number, since it is larger than the sum of its proper divisors (16106341261269).
38871065305131 is a wasteful number, since it uses less digits than its factorization.
38871065305131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 262843.
The product of its (nonzero) digits is 1814400, while the sum is 51.
The spelling of 38871065305131 in words is "thirty-eight trillion, eight hundred seventy-one billion, sixty-five million, three hundred five thousand, one hundred thirty-one".
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