Base | Representation |
---|---|
bin | 1110011010001101… |
… | …1000110010111001 |
3 | 100222120101121021000 |
4 | 3212203120302321 |
5 | 30410204130111 |
6 | 1435453235213 |
7 | 164565523464 |
oct | 34643306271 |
9 | 10876347230 |
10 | 3868036281 |
11 | 17054509aa |
12 | 8bb492b09 |
13 | 498499185 |
14 | 289a022db |
15 | 1798a9c56 |
hex | e68d8cb9 |
3868036281 has 16 divisors (see below), whose sum is σ = 5735710720. Its totient is φ = 2576311920.
The previous prime is 3868036279. The next prime is 3868036297. The reversal of 3868036281 is 1826308683.
It is not a de Polignac number, because 3868036281 - 21 = 3868036279 is a prime.
It is a super-2 number, since 2×38680362812 = 29923409342264621922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3868036241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36025 + ... + 95046.
It is an arithmetic number, because the mean of its divisors is an integer number (358481920).
Almost surely, 23868036281 is an apocalyptic number.
It is an amenable number.
3868036281 is a deficient number, since it is larger than the sum of its proper divisors (1867674439).
3868036281 is a wasteful number, since it uses less digits than its factorization.
3868036281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132173 (or 132167 counting only the distinct ones).
The product of its (nonzero) digits is 331776, while the sum is 45.
The square root of 3868036281 is about 62193.5389007572. The cubic root of 3868036281 is about 1569.7488720271.
The spelling of 3868036281 in words is "three billion, eight hundred sixty-eight million, thirty-six thousand, two hundred eighty-one".
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