Base | Representation |
---|---|
bin | 10111011011111111010… |
… | …00001111100010111101 |
3 | 2211222121202021202112022 |
4 | 23231333220033202331 |
5 | 101143223313441341 |
6 | 1413541052445525 |
7 | 112116042151613 |
oct | 13557750174275 |
9 | 2758552252468 |
10 | 805300140221 |
11 | 290586a31575 |
12 | 1100a54798a5 |
13 | 5ac2a054b15 |
14 | 2ad962356b3 |
15 | 15e33783e4b |
hex | bb7fa0f8bd |
805300140221 has 8 divisors (see below), whose sum is σ = 820276640640. Its totient is φ = 790367884768.
The previous prime is 805300140217. The next prime is 805300140259. The reversal of 805300140221 is 122041003508.
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 805300140221 - 22 = 805300140217 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 (805300740221) 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, 11024501 + ... + 11097306.
It is an arithmetic number, because the mean of its divisors is an integer number (102534580080).
Almost surely, 2805300140221 is an apocalyptic number.
It is an amenable number.
805300140221 is a deficient number, since it is larger than the sum of its proper divisors (14976500419).
805300140221 is a wasteful number, since it uses less digits than its factorization.
805300140221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22122483.
The product of its (nonzero) digits is 1920, while the sum is 26.
Adding to 805300140221 its reverse (122041003508), we get a palindrome (927341143729).
The spelling of 805300140221 in words is "eight hundred five billion, three hundred million, one hundred forty thousand, two hundred twenty-one".
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