Base | Representation |
---|---|
bin | 1001110010101001101… |
… | …1001001100001000100 |
3 | 121002012020010000001001 |
4 | 2130222123021201010 |
5 | 10224001131000414 |
6 | 205135505343044 |
7 | 15103352012005 |
oct | 2345233114104 |
9 | 532166100031 |
10 | 168215484484 |
11 | 6538128a263 |
12 | 28727037a84 |
13 | 12b2a329048 |
14 | 81daa711ac |
15 | 4597d50074 |
hex | 272a6c9844 |
168215484484 has 12 divisors (see below), whose sum is σ = 294523059964. Its totient is φ = 84066038784.
The previous prime is 168215484461. The next prime is 168215484509. The reversal of 168215484484 is 484484512861.
It can be written as a sum of positive squares in 2 ways, for example, as 132066828100 + 36148656384 = 363410^2 + 190128^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10416789 + ... + 10432924.
Almost surely, 2168215484484 is an apocalyptic number.
It is an amenable number.
168215484484 is a deficient number, since it is larger than the sum of its proper divisors (126307575480).
168215484484 is a wasteful number, since it uses less digits than its factorization.
168215484484 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20851734 (or 20851732 counting only the distinct ones).
The product of its digits is 7864320, while the sum is 55.
The spelling of 168215484484 in words is "one hundred sixty-eight billion, two hundred fifteen million, four hundred eighty-four thousand, four hundred eighty-four".
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