Base | Representation |
---|---|
bin | 110000110010101000… |
… | …100001000000000000 |
3 | 12000020002022111000000 |
4 | 300302220201000000 |
5 | 1324243101324110 |
6 | 40022304000000 |
7 | 3533151624423 |
oct | 606250410000 |
9 | 160202274000 |
10 | 52389089280 |
11 | 20244303200 |
12 | a1a1000000 |
13 | 4c2ba08418 |
14 | 276db4d9ba |
15 | 15694b31c0 |
hex | c32a21000 |
52389089280 has 1092 divisors, whose sum is σ = 214329146220. Its totient is φ = 12262440960.
The previous prime is 52389089279. The next prime is 52389089303. The reversal of 52389089280 is 8298098325.
52389089280 is a `hidden beast` number, since 523 + 8 + 90 + 8 + 9 + 28 + 0 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 23123460096 + 29265629184 = 152064^2 + 171072^2 .
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 1806520306 + ... + 1806520334.
Almost surely, 252389089280 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 52389089280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107164573110).
52389089280 is an abundant number, since it is smaller than the sum of its proper divisors (161940056940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52389089280 is an equidigital number, since it uses as much as digits as its factorization.
52389089280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98 (or 50 counting only the distinct ones).
The product of its (nonzero) digits is 2488320, while the sum is 54.
The spelling of 52389089280 in words is "fifty-two billion, three hundred eighty-nine million, eighty-nine thousand, two hundred eighty".
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