Base | Representation |
---|---|
bin | 1110001111000001110… |
… | …01001010000111100001 |
3 | 1201202110112012002121000 |
4 | 13013200321022013201 |
5 | 31003141210300411 |
6 | 1012405204222213 |
7 | 50223314446416 |
oct | 7074071120741 |
9 | 1652415162530 |
10 | 489104384481 |
11 | 179478746279 |
12 | 7a96009a969 |
13 | 37178a407bb |
14 | 1995c16610d |
15 | cac9312956 |
hex | 71e0e4a1e1 |
489104384481 has 32 divisors (see below), whose sum is σ = 733517769600. Its totient is φ = 322080010560.
The previous prime is 489104384473. The next prime is 489104384633. The reversal of 489104384481 is 184483401984.
489104384481 is a `hidden beast` number, since 4 + 8 + 91 + 0 + 438 + 44 + 81 = 666.
It is not a de Polignac number, because 489104384481 - 23 = 489104384473 is a prime.
It is a super-2 number, since 2×4891043844812 (a number of 24 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (489104384981) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 408571 + ... + 1070111.
It is an arithmetic number, because the mean of its divisors is an integer number (22922430300).
Almost surely, 2489104384481 is an apocalyptic number.
It is an amenable number.
489104384481 is a deficient number, since it is larger than the sum of its proper divisors (244413385119).
489104384481 is a wasteful number, since it uses less digits than its factorization.
489104384481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 661886 (or 661880 counting only the distinct ones).
The product of its (nonzero) digits is 3538944, while the sum is 54.
The spelling of 489104384481 in words is "four hundred eighty-nine billion, one hundred four million, three hundred eighty-four thousand, four hundred eighty-one".
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