Base | Representation |
---|---|
bin | 110010001011011011… |
… | …101001101011010000 |
3 | 12011001220122011020122 |
4 | 302023123221223100 |
5 | 1340320443423133 |
6 | 40430203325412 |
7 | 3615112000346 |
oct | 621333515320 |
9 | 164056564218 |
10 | 53878889168 |
11 | 20939256985 |
12 | a537b20868 |
13 | 5108568a10 |
14 | 2871959996 |
15 | 1605195498 |
hex | c8b6e9ad0 |
53878889168 has 160 divisors (see below), whose sum is σ = 118327426560. Its totient is φ = 23600517120.
The previous prime is 53878889161. The next prime is 53878889227. The reversal of 53878889168 is 86198887835.
53878889168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53878889161) 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, 91786571 + ... + 91787157.
It is an arithmetic number, because the mean of its divisors is an integer number (739546416).
Almost surely, 253878889168 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 53878889168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59163713280).
53878889168 is an abundant number, since it is smaller than the sum of its proper divisors (64448537392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53878889168 is a wasteful number, since it uses less digits than its factorization.
53878889168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 925 (or 919 counting only the distinct ones).
The product of its digits is 185794560, while the sum is 71.
The spelling of 53878889168 in words is "fifty-three billion, eight hundred seventy-eight million, eight hundred eighty-nine thousand, one hundred sixty-eight".
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