Base | Representation |
---|---|
bin | 10100100110100101… |
… | …001100110001000110 |
3 | 2010002201200020210100 |
4 | 110212211030301012 |
5 | 330301230403220 |
6 | 14055053504530 |
7 | 1412130636261 |
oct | 244645146106 |
9 | 63081606710 |
10 | 22122122310 |
11 | 94223a7a12 |
12 | 43547a2146 |
13 | 211723cc02 |
14 | 10dc08dcd8 |
15 | 897202d90 |
hex | 52694cc46 |
22122122310 has 96 divisors (see below), whose sum is σ = 58529364192. Its totient is φ = 5795919360.
The previous prime is 22122122273. The next prime is 22122122339. The reversal of 22122122310 is 1322122122.
22122122310 is a `hidden beast` number, since 221 + 2 + 212 + 231 + 0 = 666.
It is a super-2 number, since 2×221221223102 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2389290 + ... + 2398530.
It is an arithmetic number, because the mean of its divisors is an integer number (609680877).
Almost surely, 222122122310 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22122122310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29264682096).
22122122310 is an abundant number, since it is smaller than the sum of its proper divisors (36407241882).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22122122310 is a wasteful number, since it uses less digits than its factorization.
22122122310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9718 (or 9715 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 22122122310 its reverse (1322122122), we get a palindrome (23444244432).
The spelling of 22122122310 in words is "twenty-two billion, one hundred twenty-two million, one hundred twenty-two thousand, three hundred ten".
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