Base | Representation |
---|---|
bin | 11000010000010000… |
… | …00011010010001110 |
3 | 1020121110202000212000 |
4 | 30020020003102032 |
5 | 203131413331342 |
6 | 5552030053130 |
7 | 640451426220 |
oct | 141010032216 |
9 | 36543660760 |
10 | 13021230222 |
11 | 5582165aa0 |
12 | 263494a1a6 |
13 | 12c68c6070 |
14 | 8b74d4410 |
15 | 51324744c |
hex | 30820348e |
13021230222 has 128 divisors (see below), whose sum is σ = 38851384320. Its totient is φ = 3121960320.
The previous prime is 13021230199. The next prime is 13021230253. The reversal of 13021230222 is 22203212031.
13021230222 is a `hidden beast` number, since 130 + 212 + 302 + 22 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 13021230195 and 13021230204.
It is a congruent 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 63 ways as a sum of consecutive naturals, for example, 66393 + ... + 174500.
It is an arithmetic number, because the mean of its divisors is an integer number (303526440).
Almost surely, 213021230222 is an apocalyptic number.
13021230222 is an abundant number, since it is smaller than the sum of its proper divisors (25830154098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13021230222 is a wasteful number, since it uses less digits than its factorization.
13021230222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 240935 (or 240929 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 13021230222 its reverse (22203212031), we get a palindrome (35224442253).
The spelling of 13021230222 in words is "thirteen billion, twenty-one million, two hundred thirty thousand, two hundred twenty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •