Base | Representation |
---|---|
bin | 11110101100110011… |
… | …10001100001111101 |
3 | 1120112122202110121121 |
4 | 33112121301201331 |
5 | 232223341420324 |
6 | 11323254030541 |
7 | 1122303353242 |
oct | 172631614175 |
9 | 46478673547 |
10 | 16481982589 |
11 | 6a98716516 |
12 | 323b948451 |
13 | 17288a0427 |
14 | b24d975c9 |
15 | 666ea05e4 |
hex | 3d667187d |
16481982589 has 12 divisors (see below), whose sum is σ = 16840657600. Its totient is φ = 16128350784.
The previous prime is 16481982577. The next prime is 16481982599. The reversal of 16481982589 is 98528918461.
It is not a de Polignac number, because 16481982589 - 227 = 16347764861 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16481982509) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1000582 + ... + 1016920.
Almost surely, 216481982589 is an apocalyptic number.
It is an amenable number.
16481982589 is a deficient number, since it is larger than the sum of its proper divisors (358675011).
16481982589 is an equidigital number, since it uses as much as digits as its factorization.
16481982589 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16644 (or 16531 counting only the distinct ones).
The product of its digits is 9953280, while the sum is 61.
The spelling of 16481982589 in words is "sixteen billion, four hundred eighty-one million, nine hundred eighty-two thousand, five hundred eighty-nine".
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