Base | Representation |
---|---|
bin | 1001011111011011011… |
… | …1010101001101011100 |
3 | 120120212121200010010221 |
4 | 2113312313111031130 |
5 | 10132414201134014 |
6 | 202523501011124 |
7 | 14531444536660 |
oct | 2276667251534 |
9 | 516777603127 |
10 | 163055489884 |
11 | 63173633a11 |
12 | 27726b53aa4 |
13 | 124b72ac2c1 |
14 | 7c6b6428a0 |
15 | 4394d42b24 |
hex | 25f6dd535c |
163055489884 has 48 divisors (see below), whose sum is σ = 338688181440. Its totient is φ = 67228254720.
The previous prime is 163055489803. The next prime is 163055489899. The reversal of 163055489884 is 488984550361.
163055489884 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1630554898842 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 792007 + ... + 976414.
It is an arithmetic number, because the mean of its divisors is an integer number (7056003780).
Almost surely, 2163055489884 is an apocalyptic number.
163055489884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
163055489884 is an abundant number, since it is smaller than the sum of its proper divisors (175632691556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
163055489884 is a wasteful number, since it uses less digits than its factorization.
163055489884 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1768558 (or 1768556 counting only the distinct ones).
The product of its (nonzero) digits is 33177600, while the sum is 61.
The spelling of 163055489884 in words is "one hundred sixty-three billion, fifty-five million, four hundred eighty-nine thousand, eight hundred eighty-four".
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