Base | Representation |
---|---|
bin | 11000010000010000… |
… | …00000110101101010 |
3 | 1020121110201112002220 |
4 | 30020020000311222 |
5 | 203131413021302 |
6 | 5552025534510 |
7 | 640451355054 |
oct | 141010006552 |
9 | 36543645086 |
10 | 13021220202 |
11 | 5582159511 |
12 | 2634944436 |
13 | 12c68c1633 |
14 | 8b74d08d4 |
15 | 5132444bc |
hex | 308200d6a |
13021220202 has 8 divisors (see below), whose sum is σ = 26042440416. Its totient is φ = 4340406732.
The previous prime is 13021220143. The next prime is 13021220221. The reversal of 13021220202 is 20202212031.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
13021220202 is an admirable number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085101678 + ... + 1085101689.
It is an arithmetic number, because the mean of its divisors is an integer number (3255305052).
Almost surely, 213021220202 is an apocalyptic number.
13021220202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13021220202 is a wasteful number, since it uses less digits than its factorization.
13021220202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2170203372.
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 13021220202 its reverse (20202212031), we get a palindrome (33223432233).
The spelling of 13021220202 in words is "thirteen billion, twenty-one million, two hundred twenty thousand, two hundred two".
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