Base | Representation |
---|---|
bin | 110001100011101111… |
… | …111010100001100100 |
3 | 12002100111212012020120 |
4 | 301203233322201210 |
5 | 1332440024044140 |
6 | 40240141401540 |
7 | 3562445664306 |
oct | 614357724144 |
9 | 162314765216 |
10 | 53213112420 |
11 | 20627461a66 |
12 | a390b692b0 |
13 | 503064c990 |
14 | 280b36d976 |
15 | 15b69d31d0 |
hex | c63bfa864 |
53213112420 has 96 divisors (see below), whose sum is σ = 160516755840. Its totient is φ = 13093816320.
The previous prime is 53213112397. The next prime is 53213112437. The reversal of 53213112420 is 2421131235.
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 31 ways as a sum of consecutive naturals, for example, 2423451 + ... + 2445309.
It is an arithmetic number, because the mean of its divisors is an integer number (1672049540).
Almost surely, 253213112420 is an apocalyptic number.
It is an amenable number.
53213112420 is an abundant number, since it is smaller than the sum of its proper divisors (107303643420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53213112420 is a wasteful number, since it uses less digits than its factorization.
53213112420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25005 (or 25003 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 24.
Adding to 53213112420 its reverse (2421131235), we get a palindrome (55634243655).
The spelling of 53213112420 in words is "fifty-three billion, two hundred thirteen million, one hundred twelve thousand, four hundred twenty".
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