Base | Representation |
---|---|
bin | 110001011110001111… |
… | …101110011111100000 |
3 | 12002010002010122120012 |
4 | 301132033232133200 |
5 | 1332242410212243 |
6 | 40223042504052 |
7 | 3560245152230 |
oct | 613617563740 |
9 | 162102118505 |
10 | 53120788448 |
11 | 2058a333662 |
12 | a366065028 |
13 | 5017496000 |
14 | 27dcdb9cc0 |
15 | 15ad847d18 |
hex | c5e3ee7e0 |
53120788448 has 96 divisors (see below), whose sum is σ = 129478587840. Its totient is φ = 21014622720.
The previous prime is 53120788421. The next prime is 53120788453. The reversal of 53120788448 is 84488702135.
It is a junction number, because it is equal to n+sod(n) for n = 53120788396 and 53120788405.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438158 + ... + 546098.
It is an arithmetic number, because the mean of its divisors is an integer number (1348735290).
Almost surely, 253120788448 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 53120788448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64739293920).
53120788448 is an abundant number, since it is smaller than the sum of its proper divisors (76357799392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53120788448 is a wasteful number, since it uses less digits than its factorization.
53120788448 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107997 (or 107963 counting only the distinct ones).
The product of its (nonzero) digits is 1720320, while the sum is 50.
The spelling of 53120788448 in words is "fifty-three billion, one hundred twenty million, seven hundred eighty-eight thousand, four hundred forty-eight".
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