Base | Representation |
---|---|
bin | 1001011111011011011… |
… | …1010101010101000000 |
3 | 120120212121200010210212 |
4 | 2113312313111111000 |
5 | 10132414201142433 |
6 | 202523501013252 |
7 | 14531444541251 |
oct | 2276667252500 |
9 | 516777603725 |
10 | 163055490368 |
11 | 63173634311 |
12 | 27726b54228 |
13 | 124b72ac5a4 |
14 | 7c6b642b28 |
15 | 4394d42d48 |
hex | 25f6dd5540 |
163055490368 has 56 divisors (see below), whose sum is σ = 334280158464. Its totient is φ = 78831820800.
The previous prime is 163055490359. The next prime is 163055490379. The reversal of 163055490368 is 863094550361.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2380763 + ... + 2448293.
It is an arithmetic number, because the mean of its divisors is an integer number (5969288544).
Almost surely, 2163055490368 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 163055490368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167140079232).
163055490368 is an abundant number, since it is smaller than the sum of its proper divisors (171224668096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
163055490368 is a wasteful number, since it uses less digits than its factorization.
163055490368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68791 (or 68781 counting only the distinct ones).
The product of its (nonzero) digits is 2332800, while the sum is 50.
The spelling of 163055490368 in words is "one hundred sixty-three billion, fifty-five million, four hundred ninety thousand, three hundred sixty-eight".
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