Base | Representation |
---|---|
bin | 110001011111100100… |
… | …111010110101010000 |
3 | 12002011122011021101100 |
4 | 301133210322311100 |
5 | 1332314114334412 |
6 | 40225201304400 |
7 | 3560636035335 |
oct | 613744726520 |
9 | 162148137340 |
10 | 53143121232 |
11 | 205a09a7603 |
12 | a371635100 |
13 | 501bcb5186 |
14 | 2801d5098c |
15 | 15b07a9edc |
hex | c5f93ad50 |
53143121232 has 60 divisors (see below), whose sum is σ = 148810877280. Its totient is φ = 17704375104.
The previous prime is 53143121219. The next prime is 53143121243. The reversal of 53143121232 is 23212134135.
53143121232 is a `hidden beast` number, since 5 + 314 + 312 + 1 + 2 + 32 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 53143121196 and 53143121205.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154069 + ... + 360587.
It is an arithmetic number, because the mean of its divisors is an integer number (2480181288).
Almost surely, 253143121232 is an apocalyptic number.
It is an amenable number.
53143121232 is an abundant number, since it is smaller than the sum of its proper divisors (95667756048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53143121232 is a wasteful number, since it uses less digits than its factorization.
53143121232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 208320 (or 208311 counting only the distinct ones).
The product of its digits is 4320, while the sum is 27.
Adding to 53143121232 its reverse (23212134135), we get a palindrome (76355255367).
The spelling of 53143121232 in words is "fifty-three billion, one hundred forty-three million, one hundred twenty-one thousand, two hundred thirty-two".
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