Base | Representation |
---|---|
bin | 10010101011111100… |
… | …10011010111101101 |
3 | 221220011121011211222 |
4 | 21111332103113231 |
5 | 131021234031341 |
6 | 4335255353125 |
7 | 503416254104 |
oct | 112576232755 |
9 | 27804534758 |
10 | 10032330221 |
11 | 4288a97201 |
12 | 1b3b9827a5 |
13 | c3b5c9c94 |
14 | 6b257b03b |
15 | 3dab4744b |
hex | 255f935ed |
10032330221 has 4 divisors (see below), whose sum is σ = 10277021244. Its totient is φ = 9787639200.
The previous prime is 10032330211. The next prime is 10032330307. The reversal of 10032330221 is 12203323001.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12203323001 = 1481 ⋅8239921.
It can be written as a sum of positive squares in 2 ways, for example, as 624300196 + 9408030025 = 24986^2 + 96995^2 .
It is a cyclic number.
It is not a de Polignac number, because 10032330221 - 222 = 10028135917 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 10032330221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10032330211) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122345450 + ... + 122345531.
It is an arithmetic number, because the mean of its divisors is an integer number (2569255311).
Almost surely, 210032330221 is an apocalyptic number.
It is an amenable number.
10032330221 is a deficient number, since it is larger than the sum of its proper divisors (244691023).
10032330221 is an equidigital number, since it uses as much as digits as its factorization.
10032330221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 244691022.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 10032330221 its reverse (12203323001), we get a palindrome (22235653222).
The spelling of 10032330221 in words is "ten billion, thirty-two million, three hundred thirty thousand, two hundred twenty-one".
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