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30323233212 = 22323277396631
BaseRepresentation
bin11100001111011001…
…111101000110111100
32220021021111211222120
4130033121331012330
5444100221430322
621532540042540
72122303141506
oct341731750674
986237454876
1030323233212
1111950746a18
125a63233450
132b23338b5c
141679348d76
15bc71c6a5c
hex70f67d1bc

30323233212 has 48 divisors (see below), whose sum is σ = 74097203712. Its totient is φ = 9633349440.

The previous prime is 30323233211. The next prime is 30323233247. The reversal of 30323233212 is 21233232303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30323233211) 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, 121864 + ... + 274767.

It is an arithmetic number, because the mean of its divisors is an integer number (1543691744).

Almost surely, 230323233212 is an apocalyptic number.

It is an amenable number.

30323233212 is an abundant number, since it is smaller than the sum of its proper divisors (43773970500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30323233212 is a wasteful number, since it uses less digits than its factorization.

30323233212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396938 (or 396936 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 30323233212 its reverse (21233232303), we get a palindrome (51556465515).

Subtracting from 30323233212 its reverse (21233232303), we obtain a palindrome (9090000909).

The spelling of 30323233212 in words is "thirty billion, three hundred twenty-three million, two hundred thirty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 277 554 831 1108 1662 3324 6371 12742 19113 25484 38226 76452 396631 793262 1189893 1586524 2379786 4759572 9122513 18245026 27367539 36490052 54735078 109470156 109866787 219733574 329600361 439467148 659200722 1318401444 2526936101 5053872202 7580808303 10107744404 15161616606 30323233212