Base | Representation |
---|---|
bin | 1101101111100011011100… |
… | …10011001101101100010000 |
3 | 10222000010022012120211202112 |
4 | 12313301232103031230100 |
5 | 12430121100022101412 |
6 | 144135240213204452 |
7 | 6236261340104213 |
oct | 667615623155420 |
9 | 128003265524675 |
10 | 30221240425232 |
11 | 96a183539909a |
12 | 34810b4330728 |
13 | 13b2b0a11277c |
14 | 766a043a777a |
15 | 3761ccd3c722 |
hex | 1b7c6e4cdb10 |
30221240425232 has 80 divisors (see below), whose sum is σ = 61841789193600. Its totient is φ = 14267406827520.
The previous prime is 30221240425223. The next prime is 30221240425237. The reversal of 30221240425232 is 23252404212203.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (30221240425237) 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, 931903994 + ... + 931936422.
It is an arithmetic number, because the mean of its divisors is an integer number (773022364920).
Almost surely, 230221240425232 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 30221240425232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30920894596800).
30221240425232 is an abundant number, since it is smaller than the sum of its proper divisors (31620548768368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30221240425232 is a wasteful number, since it uses less digits than its factorization.
30221240425232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42624 (or 42618 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 32.
Adding to 30221240425232 its reverse (23252404212203), we get a palindrome (53473644637435).
The spelling of 30221240425232 in words is "thirty trillion, two hundred twenty-one billion, two hundred forty million, four hundred twenty-five thousand, two hundred thirty-two".
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