Base | Representation |
---|---|
bin | 101100001011101000101010… |
… | …1001101111110001110101100 |
3 | 1212222000101212021201210120010 |
4 | 1120113101111031332032230 |
5 | 401414232102114144023 |
6 | 3454312521052453220 |
7 | 144600251361331602 |
oct | 13027212515761654 |
9 | 1788011767653503 |
10 | 388627250537388 |
11 | 102912989489475 |
12 | 37706693a7a210 |
13 | 138b0514369405 |
14 | 6bd793312b872 |
15 | 2ede1475ee093 |
hex | 161745537e3ac |
388627250537388 has 24 divisors (see below), whose sum is σ = 906906527353008. Its totient is φ = 129526758355456.
The previous prime is 388627250537363. The next prime is 388627250537399. The reversal of 388627250537388 is 883735052726883.
It is a super-2 number, since 2×3886272505373882 (a number of 30 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1957207881 + ... + 1957406432.
It is an arithmetic number, because the mean of its divisors is an integer number (37787771973042).
Almost surely, 2388627250537388 is an apocalyptic number.
It is an amenable number.
388627250537388 is an abundant number, since it is smaller than the sum of its proper divisors (518279276815620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
388627250537388 is a wasteful number, since it uses less digits than its factorization.
388627250537388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3914622593 (or 3914622591 counting only the distinct ones).
The product of its (nonzero) digits is 3251404800, while the sum is 75.
The spelling of 388627250537388 in words is "three hundred eighty-eight trillion, six hundred twenty-seven billion, two hundred fifty million, five hundred thirty-seven thousand, three hundred eighty-eight".
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