Base | Representation |
---|---|
bin | 11100001001011000… |
… | …001111010100010010 |
3 | 2220000020020210000120 |
4 | 130021120033110102 |
5 | 443343330321320 |
6 | 21514524531110 |
7 | 2116634532432 |
oct | 341130172422 |
9 | 86006223016 |
10 | 30222120210 |
11 | 118a9665257 |
12 | 5a353b0a96 |
13 | 2b083c5889 |
14 | 1669b482c2 |
15 | bbd3a2440 |
hex | 70960f512 |
30222120210 has 32 divisors (see below), whose sum is σ = 72542068992. Its totient is φ = 8058234240.
The previous prime is 30222120163. The next prime is 30222120211. The reversal of 30222120210 is 1202122203.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 30222120210.
It is not an unprimeable number, because it can be changed into a prime (30222120211) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202407 + ... + 318453.
It is an arithmetic number, because the mean of its divisors is an integer number (2266939656).
Almost surely, 230222120210 is an apocalyptic number.
30222120210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30222120210 is an abundant number, since it is smaller than the sum of its proper divisors (42319948782).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30222120210 is a wasteful number, since it uses less digits than its factorization.
30222120210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 124738.
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 30222120210 its reverse (1202122203), we get a palindrome (31424242413).
The spelling of 30222120210 in words is "thirty billion, two hundred twenty-two million, one hundred twenty thousand, two hundred ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.089 sec. • engine limits •