Base | Representation |
---|---|
bin | 11011111110101001… |
… | …100110100001101000 |
3 | 2212112200112221100221 |
4 | 123332221212201220 |
5 | 443011240403334 |
6 | 21445014535424 |
7 | 2112320553343 |
oct | 337651464150 |
9 | 85480487327 |
10 | 30042122344 |
11 | 11816aa4193 |
12 | 59a5067574 |
13 | 2aaa022970 |
14 | 164dc9145a |
15 | bac6998b4 |
hex | 6fea66868 |
30042122344 has 64 divisors (see below), whose sum is σ = 62224747200. Its totient is φ = 13509974016.
The previous prime is 30042122329. The next prime is 30042122353. The reversal of 30042122344 is 44322124003.
It is a happy number.
It is a super-2 number, since 2×300421223442 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1865752 + ... + 1881784.
It is an arithmetic number, because the mean of its divisors is an integer number (972261675).
Almost surely, 230042122344 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30042122344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31112373600).
30042122344 is an abundant number, since it is smaller than the sum of its proper divisors (32182624856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30042122344 is a wasteful number, since it uses less digits than its factorization.
30042122344 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16514 (or 16510 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 25.
Adding to 30042122344 its reverse (44322124003), we get a palindrome (74364246347).
The spelling of 30042122344 in words is "thirty billion, forty-two million, one hundred twenty-two thousand, three hundred forty-four".
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