Base | Representation |
---|---|
bin | 110001100110010010… |
… | …010110000100100010 |
3 | 12002110110222111020110 |
4 | 301212102112010202 |
5 | 1333031424130303 |
6 | 40244302152150 |
7 | 3563503626564 |
oct | 614622260442 |
9 | 162413874213 |
10 | 53255692578 |
11 | 206494a5080 |
12 | a3a3282656 |
13 | 503940aa3a |
14 | 2812c95334 |
15 | 15ba5e4703 |
hex | c66496122 |
53255692578 has 32 divisors (see below), whose sum is σ = 116215176960. Its totient is φ = 16135180560.
The previous prime is 53255692541. The next prime is 53255692579. The reversal of 53255692578 is 87529655235.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (53255692579) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311601 + ... + 451227.
It is an arithmetic number, because the mean of its divisors is an integer number (3631724280).
Almost surely, 253255692578 is an apocalyptic number.
53255692578 is an abundant number, since it is smaller than the sum of its proper divisors (62959484382).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53255692578 is a wasteful number, since it uses less digits than its factorization.
53255692578 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145422.
The product of its digits is 22680000, while the sum is 57.
The spelling of 53255692578 in words is "fifty-three billion, two hundred fifty-five million, six hundred ninety-two thousand, five hundred seventy-eight".
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