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4224431031212 = 2272156711375357
BaseRepresentation
bin111101011110010011101…
…101100000001110101100
3112221211222212021100210102
4331132103231200032230
51023203113320444322
612552402105530232
7614130224204300
oct75362355401654
915854885240712
104224431031212
111389631206157
125828814a3978
132484927cb9a2
1410866bdbbd00
1574d491b3792
hex3d793b603ac

4224431031212 has 36 divisors (see below), whose sum is σ = 8600289619824. Its totient is φ = 1810353595680.

The previous prime is 4224431031193. The next prime is 4224431031229. The reversal of 4224431031212 is 2121301344224.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2383838 + ... + 3759194.

It is an arithmetic number, because the mean of its divisors is an integer number (238896933884).

Almost surely, 24224431031212 is an apocalyptic number.

It is an amenable number.

4224431031212 is an abundant number, since it is smaller than the sum of its proper divisors (4375858588612).

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

4224431031212 is a wasteful number, since it uses less digits than its factorization.

4224431031212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391046 (or 1391037 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 4224431031212 its reverse (2121301344224), we get a palindrome (6345732375436).

The spelling of 4224431031212 in words is "four trillion, two hundred twenty-four billion, four hundred thirty-one million, thirty-one thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 49 98 196 15671 31342 62684 109697 219394 438788 767879 1375357 1535758 2750714 3071516 5501428 9627499 19254998 38509996 67392493 134784986 269569972 21553219547 43106439094 86212878188 150872536829 301745073658 603490147316 1056107757803 2112215515606 4224431031212