Base | Representation |
---|---|
bin | 110101001000101000… |
… | …110101011111010000 |
3 | 12110021010201211221010 |
4 | 311020220311133100 |
5 | 1413321112123443 |
6 | 42113200530520 |
7 | 4056555350325 |
oct | 651050653720 |
9 | 173233654833 |
10 | 57053239248 |
11 | 222180800a5 |
12 | b083020a40 |
13 | 54c30c6585 |
14 | 2a93388b4c |
15 | 173dbc8733 |
hex | d48a357d0 |
57053239248 has 80 divisors (see below), whose sum is σ = 149462755200. Its totient is φ = 18751180800.
The previous prime is 57053239247. The next prime is 57053239253. The reversal of 57053239248 is 84293235075.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a junction number, because it is equal to n+sod(n) for n = 57053239197 and 57053239206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57053239241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1515048 + ... + 1552248.
It is an arithmetic number, because the mean of its divisors is an integer number (1868284440).
Almost surely, 257053239248 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 57053239248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74731377600).
57053239248 is an abundant number, since it is smaller than the sum of its proper divisors (92409515952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57053239248 is a wasteful number, since it uses less digits than its factorization.
57053239248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37660 (or 37654 counting only the distinct ones).
The product of its (nonzero) digits is 1814400, while the sum is 48.
The spelling of 57053239248 in words is "fifty-seven billion, fifty-three million, two hundred thirty-nine thousand, two hundred forty-eight".
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