Base | Representation |
---|---|
bin | 100011100011101100100… |
… | …1001001000101110110001 |
3 | 122022012020212221111010122 |
4 | 1013013121021020232301 |
5 | 1120032104320211411 |
6 | 14221022201340025 |
7 | 1013034634654205 |
oct | 107073111105661 |
9 | 18265225844118 |
10 | 4887020866481 |
11 | 1614634969336 |
12 | 66b179497615 |
13 | 295ac860a780 |
14 | 12c766a6cb05 |
15 | 871c8d079db |
hex | 471d9248bb1 |
4887020866481 has 16 divisors (see below), whose sum is σ = 5367969898704. Its totient is φ = 4421257012224.
The previous prime is 4887020866459. The next prime is 4887020866601. The reversal of 4887020866481 is 1846680207884.
It can be written as a sum of positive squares in 8 ways, for example, as 133487198881 + 4753533667600 = 365359^2 + 2180260^2 .
It is not a de Polignac number, because 4887020866481 - 214 = 4887020850097 is a prime.
It is a super-2 number, since 2×48870208664812 (a number of 26 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (4887020866411) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3139316 + ... + 4430501.
It is an arithmetic number, because the mean of its divisors is an integer number (335498118669).
Almost surely, 24887020866481 is an apocalyptic number.
It is an amenable number.
4887020866481 is a deficient number, since it is larger than the sum of its proper divisors (480949032223).
4887020866481 is a wasteful number, since it uses less digits than its factorization.
4887020866481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7570820.
The product of its (nonzero) digits is 33030144, while the sum is 62.
The spelling of 4887020866481 in words is "four trillion, eight hundred eighty-seven billion, twenty million, eight hundred sixty-six thousand, four hundred eighty-one".
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