Base | Representation |
---|---|
bin | 10001100101101101000010… |
… | …01011011001110010000011 |
3 | 12001221122221222021012002200 |
4 | 20302312201023121302003 |
5 | 20032203323430341233 |
6 | 214132500112444243 |
7 | 11101312550441523 |
oct | 1062664113316203 |
9 | 161848858235080 |
10 | 38678884621443 |
11 | 11362694015500 |
12 | 4408288249683 |
13 | 18775319bbcb1 |
14 | 97a0d4865683 |
15 | 4711d71a8313 |
hex | 232da12d9c83 |
38678884621443 has 72 divisors (see below), whose sum is σ = 63347870533584. Its totient is φ = 22707705525120.
The previous prime is 38678884621441. The next prime is 38678884621453. The reversal of 38678884621443 is 34412648887683.
38678884621443 is a `hidden beast` number, since 3 + 8 + 6 + 7 + 88 + 84 + 6 + 21 + 443 = 666.
It is not a de Polignac number, because 38678884621443 - 21 = 38678884621441 is a prime.
It is a super-2 number, since 2×386788846214432 (a number of 28 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (38678884621441) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7032105 + ... + 11260917.
Almost surely, 238678884621443 is an apocalyptic number.
38678884621443 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
38678884621443 is a deficient number, since it is larger than the sum of its proper divisors (24668985912141).
38678884621443 is a wasteful number, since it uses less digits than its factorization.
38678884621443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4229105 (or 4229091 counting only the distinct ones).
The product of its digits is 1189085184, while the sum is 72.
The spelling of 38678884621443 in words is "thirty-eight trillion, six hundred seventy-eight billion, eight hundred eighty-four million, six hundred twenty-one thousand, four hundred forty-three".
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