Base | Representation |
---|---|
bin | 10001101010000010000111… |
… | …01101100011010001101101 |
3 | 12002110212221000110012021000 |
4 | 20311001003231203101231 |
5 | 20042123001413322120 |
6 | 214325101032430513 |
7 | 11115130060442424 |
oct | 1065010355432155 |
9 | 162425830405230 |
10 | 38827640370285 |
11 | 1140a789833308 |
12 | 4431082248439 |
13 | 188857a552460 |
14 | 9833a6c882bb |
15 | 474ee190a990 |
hex | 235043b6346d |
38827640370285 has 64 divisors (see below), whose sum is σ = 74348013922560. Its totient is φ = 19112231335680.
The previous prime is 38827640370257. The next prime is 38827640370289. The reversal of 38827640370285 is 58207304672883.
38827640370285 is a `hidden beast` number, since 3 + 8 + 82 + 7 + 6 + 403 + 70 + 2 + 85 = 666.
It is not a de Polignac number, because 38827640370285 - 218 = 38827640108141 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38827640370289) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9848647 + ... + 13215563.
It is an arithmetic number, because the mean of its divisors is an integer number (1161687717540).
Almost surely, 238827640370285 is an apocalyptic number.
It is an amenable number.
38827640370285 is a deficient number, since it is larger than the sum of its proper divisors (35520373552275).
38827640370285 is a wasteful number, since it uses less digits than its factorization.
38827640370285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3373515 (or 3373509 counting only the distinct ones).
The product of its (nonzero) digits is 108380160, while the sum is 63.
The spelling of 38827640370285 in words is "thirty-eight trillion, eight hundred twenty-seven billion, six hundred forty million, three hundred seventy thousand, two hundred eighty-five".
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