Base | Representation |
---|---|
bin | 100110001110100101000… |
… | …1000111111011111101101 |
3 | 200121021110111222210021201 |
4 | 1030131022020333133231 |
5 | 1142040132122433341 |
6 | 15101352115325501 |
7 | 1051405512366613 |
oct | 114351210773755 |
9 | 20537414883251 |
10 | 5253988874221 |
11 | 1746227825a7a |
12 | 70a3122b0891 |
13 | 2c15ab67a759 |
14 | 142419c536b3 |
15 | 91a05814331 |
hex | 4c74a23f7ed |
5253988874221 has 8 divisors (see below), whose sum is σ = 5284259397144. Its totient is φ = 5223732010560.
The previous prime is 5253988874149. The next prime is 5253988874231. The reversal of 5253988874221 is 1224788893525.
It can be written as a sum of positive squares in 4 ways, for example, as 656991302500 + 4596997571721 = 810550^2 + 2144061^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 5253988874221 - 217 = 5253988743149 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5253988874231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2642806 + ... + 4182391.
It is an arithmetic number, because the mean of its divisors is an integer number (660532424643).
Almost surely, 25253988874221 is an apocalyptic number.
It is an amenable number.
5253988874221 is a deficient number, since it is larger than the sum of its proper divisors (30270522923).
5253988874221 is a wasteful number, since it uses less digits than its factorization.
5253988874221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6829631.
The product of its digits is 77414400, while the sum is 64.
The spelling of 5253988874221 in words is "five trillion, two hundred fifty-three billion, nine hundred eighty-eight million, eight hundred seventy-four thousand, two hundred twenty-one".
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