Base | Representation |
---|---|
bin | 10100100101101111… |
… | …011001101001101110 |
3 | 2010001202010202010000 |
4 | 110211233121221232 |
5 | 330234123104220 |
6 | 14053431325130 |
7 | 1411600030536 |
oct | 244557315156 |
9 | 63052122100 |
10 | 22108019310 |
11 | 9415445143 |
12 | 434bb207a6 |
13 | 2114342940 |
14 | 10da25c4c6 |
15 | 895d69390 |
hex | 525bd9a6e |
22108019310 has 160 divisors (see below), whose sum is σ = 64183708512. Its totient is φ = 5427959040.
The previous prime is 22108019243. The next prime is 22108019407. The reversal of 22108019310 is 1391080122.
It is a super-2 number, since 2×221080193102 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4430637 + ... + 4435623.
Almost surely, 222108019310 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22108019310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32091854256).
22108019310 is an abundant number, since it is smaller than the sum of its proper divisors (42075689202).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22108019310 is a wasteful number, since it uses less digits than its factorization.
22108019310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5440 (or 5431 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 27.
Adding to 22108019310 its reverse (1391080122), we get a palindrome (23499099432).
The spelling of 22108019310 in words is "twenty-two billion, one hundred eight million, nineteen thousand, three hundred ten".
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