Base | Representation |
---|---|
bin | 111100010010001001100… |
… | …1111110101001101110101 |
3 | 1002100001211211120120011110 |
4 | 1320210103033311031311 |
5 | 2041221311044044341 |
6 | 25342115431025233 |
7 | 1513410553032501 |
oct | 170442317651565 |
9 | 32301754516143 |
10 | 8285314831221 |
11 | 270486725190a |
12 | b198bb20b219 |
13 | 4813c019838c |
14 | 209023311301 |
15 | e57c029d216 |
hex | 789133f5375 |
8285314831221 has 8 divisors (see below), whose sum is σ = 11047551461824. Its totient is φ = 5523310710720.
The previous prime is 8285314831109. The next prime is 8285314831259. The reversal of 8285314831221 is 1221384135828.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 8285314831221 - 231 = 8283167347573 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 (8285314831621) 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, 58044361 + ... + 58186926.
It is an arithmetic number, because the mean of its divisors is an integer number (1380943932728).
Almost surely, 28285314831221 is an apocalyptic number.
It is an amenable number.
8285314831221 is a deficient number, since it is larger than the sum of its proper divisors (2762236630603).
8285314831221 is a wasteful number, since it uses less digits than its factorization.
8285314831221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116255051.
The product of its digits is 737280, while the sum is 48.
The spelling of 8285314831221 in words is "eight trillion, two hundred eighty-five billion, three hundred fourteen million, eight hundred thirty-one thousand, two hundred twenty-one".
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