Base | Representation |
---|---|
bin | 10001011101001110010010… |
… | …11110010010110011000101 |
3 | 12000220210212002010100220022 |
4 | 20232213021132102303011 |
5 | 20012420101214323320 |
6 | 213350550402544525 |
7 | 11041256051526143 |
oct | 1056471136226305 |
9 | 160823762110808 |
10 | 38387502886085 |
11 | 11260059689a71 |
12 | 437b909068145 |
13 | 1855c06525682 |
14 | 969d7216a593 |
15 | 46883141e325 |
hex | 22e9c9792cc5 |
38387502886085 has 8 divisors (see below), whose sum is σ = 47045109920256. Its totient is φ = 30056598004240.
The previous prime is 38387502886039. The next prime is 38387502886121. The reversal of 38387502886085 is 58068820578383.
38387502886085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38387502886085 - 28 = 38387502885829 is a prime.
It is a super-4 number, since 4×383875028860854 (a number of 55 digits) contains 4444 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81675537821 + ... + 81675538290.
It is an arithmetic number, because the mean of its divisors is an integer number (5880638740032).
Almost surely, 238387502886085 is an apocalyptic number.
It is an amenable number.
38387502886085 is a deficient number, since it is larger than the sum of its proper divisors (8657607034171).
38387502886085 is a wasteful number, since it uses less digits than its factorization.
38387502886085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 163351076163.
The product of its (nonzero) digits is 619315200, while the sum is 71.
The spelling of 38387502886085 in words is "thirty-eight trillion, three hundred eighty-seven billion, five hundred two million, eight hundred eighty-six thousand, eighty-five".
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