Base | Representation |
---|---|
bin | 1101101111011000010001… |
… | …11101011000000100010100 |
3 | 10221222112211101120121002120 |
4 | 12313230020331120010110 |
5 | 12430021310240000302 |
6 | 144132405251335540 |
7 | 6235656641605665 |
oct | 667541075300424 |
9 | 127875741517076 |
10 | 30215245234452 |
11 | 969a239252573 |
12 | 347bb005b15b0 |
13 | 13b239303b9c5 |
14 | 7665d608b36c |
15 | 375e7b8549bc |
hex | 1b7b08f58114 |
30215245234452 has 24 divisors (see below), whose sum is σ = 70502401030656. Its totient is φ = 10071725247168.
The previous prime is 30215245234441. The next prime is 30215245234457. The reversal of 30215245234452 is 25443254251203.
It is a super-3 number, since 3×302152452344523 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30215245234457) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3023373 + ... + 8340939.
It is an arithmetic number, because the mean of its divisors is an integer number (2937600042944).
Almost surely, 230215245234452 is an apocalyptic number.
It is an amenable number.
30215245234452 is an abundant number, since it is smaller than the sum of its proper divisors (40287155796204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30215245234452 is a wasteful number, since it uses less digits than its factorization.
30215245234452 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5791087 (or 5791085 counting only the distinct ones).
The product of its (nonzero) digits is 1152000, while the sum is 42.
Adding to 30215245234452 its reverse (25443254251203), we get a palindrome (55658499485655).
The spelling of 30215245234452 in words is "thirty trillion, two hundred fifteen billion, two hundred forty-five million, two hundred thirty-four thousand, four hundred fifty-two".
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