Base | Representation |
---|---|
bin | 11101001000101100011… |
… | …011101101101000001110 |
3 | 21002102000202221201110000 |
4 | 131020230123231220032 |
5 | 230301001224102342 |
6 | 4131444215225130 |
7 | 264440250041064 |
oct | 35105433555016 |
9 | 7072022851400 |
10 | 2002200222222 |
11 | 702145912362 |
12 | 2840589781a6 |
13 | 116a64342c05 |
14 | 6cc9ab88034 |
15 | 3713624044c |
hex | 1d22c6eda0e |
2002200222222 has 80 divisors (see below), whose sum is σ = 4532796675792. Its totient is φ = 660527187840.
The previous prime is 2002200222221. The next prime is 2002200222223. The reversal of 2002200222222 is 2222220022002.
2002200222222 is a `hidden beast` number, since 2 + 0 + 0 + 220 + 0 + 222 + 222 = 666.
It is an interprime number because it is at equal distance from previous prime (2002200222221) and next prime (2002200222223).
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 = 2002200222195 and 2002200222204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2002200222221) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7789338 + ... + 8042274.
Almost surely, 22002200222222 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2002200222222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2266398337896).
2002200222222 is an abundant number, since it is smaller than the sum of its proper divisors (2530596453570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2002200222222 is a wasteful number, since it uses less digits than its factorization.
2002200222222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 253455 (or 253446 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 18.
Adding to 2002200222222 its reverse (2222220022002), we get a palindrome (4224420244224).
The spelling of 2002200222222 in words is "two trillion, two billion, two hundred million, two hundred twenty-two thousand, two hundred twenty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •