Base | Representation |
---|---|
bin | 110000101110101001… |
… | …100001001000000000 |
3 | 12000001102112100020112 |
4 | 300232221201020000 |
5 | 1324123443234242 |
6 | 40011515130452 |
7 | 3531410504501 |
oct | 605651411000 |
9 | 160042470215 |
10 | 52322243072 |
11 | 2020a5a6700 |
12 | a182743a28 |
13 | 4c1ac02258 |
14 | 2764d0cba8 |
15 | 15636abc82 |
hex | c2ea61200 |
52322243072 has 90 divisors (see below), whose sum is σ = 115035299379. Its totient is φ = 23756958720.
The previous prime is 52322243023. The next prime is 52322243081. The reversal of 52322243072 is 27034222325.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in only one way, i.e., 26161121536 + 26161121536 = 161744^2 + 161744^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=161744.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 56933429 + ... + 56934347.
Almost surely, 252322243072 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 52322243072
52322243072 is an abundant number, since it is smaller than the sum of its proper divisors (62713056307).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52322243072 is an frugal number, since it uses more digits than its factorization.
52322243072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1878 (or 932 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 32.
Multiplying 52322243072 by its sum of digits (32), we get a square (1674311778304 = 12939522).
52322243072 divided by its sum of digits (32) gives a square (1635070096 = 404362).
Adding to 52322243072 its reverse (27034222325), we get a palindrome (79356465397).
The spelling of 52322243072 in words is "fifty-two billion, three hundred twenty-two million, two hundred forty-three thousand, seventy-two".
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