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30215245234452 = 2234735135317567
BaseRepresentation
bin1101101111011000010001…
…11101011000000100010100
310221222112211101120121002120
412313230020331120010110
512430021310240000302
6144132405251335540
76235656641605665
oct667541075300424
9127875741517076
1030215245234452
11969a239252573
12347bb005b15b0
1313b239303b9c5
147665d608b36c
15375e7b8549bc
hex1b7b08f58114

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".

Divisors: 1 2 3 4 6 12 473513 947026 1420539 1894052 2841078 5317567 5682156 10635134 15952701 21270268 31905402 63810804 2517937102871 5035874205742 7553811308613 10071748411484 15107622617226 30215245234452