Base | Representation |
---|---|
bin | 1100110100011001000… |
… | …1000110111010110010 |
3 | 210001102122222000000200 |
4 | 3031012101012322302 |
5 | 12102003342101002 |
6 | 245100234300030 |
7 | 21624212000316 |
oct | 3150621067262 |
9 | 701378860020 |
10 | 220222222002 |
11 | 85439780972 |
12 | 3681bb87616 |
13 | 179c7a61a03 |
14 | a931ad1b46 |
15 | 5add988b1c |
hex | 3346446eb2 |
220222222002 has 48 divisors (see below), whose sum is σ = 490540008192. Its totient is φ = 71351137440.
The previous prime is 220222221971. The next prime is 220222222007. The reversal of 220222222002 is 200222222022.
220222222002 is a `hidden beast` number, since 220 + 2 + 222 + 220 + 0 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (220222222007) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 493173 + ... + 826839.
It is an arithmetic number, because the mean of its divisors is an integer number (10219583504).
Almost surely, 2220222222002 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 220222222002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245270004096).
220222222002 is an abundant number, since it is smaller than the sum of its proper divisors (270317786190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220222222002 is a wasteful number, since it uses less digits than its factorization.
220222222002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 334703 (or 334700 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 18.
Adding to 220222222002 its reverse (200222222022), we get a palindrome (420444444024).
It can be divided in two parts, 220 and 222222002, that added together give a palindrome (222222222).
The spelling of 220222222002 in words is "two hundred twenty billion, two hundred twenty-two million, two hundred twenty-two thousand, two".
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