Base | Representation |
---|---|
bin | 10001100100000000001010… |
… | …00000111101111011101001 |
3 | 12001202002002011201001212222 |
4 | 20302000011000331323221 |
5 | 20030224120044043020 |
6 | 214045551452443425 |
7 | 11064143155062350 |
oct | 1062000500757351 |
9 | 161662064631788 |
10 | 38620430065385 |
11 | 1133a917a37343 |
12 | 43b8a93a79575 |
13 | 1871b774a579c |
14 | 97734b344997 |
15 | 46e915479b25 |
hex | 23200503dee9 |
38620430065385 has 32 divisors (see below), whose sum is σ = 53569298315520. Its totient is φ = 26180612333568.
The previous prime is 38620430065339. The next prime is 38620430065447. The reversal of 38620430065385 is 58356003402683.
It is not a de Polignac number, because 38620430065385 - 216 = 38620429999849 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17502254 + ... + 19584936.
It is an arithmetic number, because the mean of its divisors is an integer number (1674040572360).
Almost surely, 238620430065385 is an apocalyptic number.
38620430065385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
38620430065385 is a deficient number, since it is larger than the sum of its proper divisors (14948868250135).
38620430065385 is a wasteful number, since it uses less digits than its factorization.
38620430065385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2088737.
The product of its (nonzero) digits is 12441600, while the sum is 53.
The spelling of 38620430065385 in words is "thirty-eight trillion, six hundred twenty billion, four hundred thirty million, sixty-five thousand, three hundred eighty-five".
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