Base | Representation |
---|---|
bin | 10111110101001000100101… |
… | …11010111101100110010000 |
3 | 20212112200212001012101112222 |
4 | 23322210102322331212100 |
5 | 23332033240114100130 |
6 | 303241412013240212 |
7 | 14016002323453262 |
oct | 1372442272754620 |
9 | 225480761171488 |
10 | 52403213425040 |
11 | 15774094914045 |
12 | 5a64116193068 |
13 | 23317a92849ca |
14 | cd2486d3bb32 |
15 | 60d1db6d6ce5 |
hex | 2fa912ebd990 |
52403213425040 has 40 divisors (see below), whose sum is σ = 122655172390200. Its totient is φ = 20820605597696.
The previous prime is 52403213425039. The next prime is 52403213425067. The reversal of 52403213425040 is 4052431230425.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 2895497011456 + 49507716413584 = 1701616^2 + 7036172^2 .
It is a tau number, because it is divible by the number of its divisors (40).
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, 2198109449 + ... + 2198133288.
It is an arithmetic number, because the mean of its divisors is an integer number (3066379309755).
Almost surely, 252403213425040 is an apocalyptic number.
It is an amenable number.
52403213425040 is an abundant number, since it is smaller than the sum of its proper divisors (70251958965160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52403213425040 is a wasteful number, since it uses less digits than its factorization.
52403213425040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4396242899 (or 4396242893 counting only the distinct ones).
The product of its (nonzero) digits is 115200, while the sum is 35.
Adding to 52403213425040 its reverse (4052431230425), we get a palindrome (56455644655465).
The spelling of 52403213425040 in words is "fifty-two trillion, four hundred three billion, two hundred thirteen million, four hundred twenty-five thousand, forty".
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