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428913441217 = 1922861987463
BaseRepresentation
bin1100011110111010011…
…10111011100111000001
31112000002201022100221001
412033131032323213001
524011403320104332
6525012355332001
742662606045002
oct6173516734701
91460081270831
10428913441217
111559a0501768
126b1622b1001
13315a587a741
1416a8c1ab1a9
15b254e440e7
hex63dd3bb9c1

428913441217 has 8 divisors (see below), whose sum is σ = 451508039360. Its totient is φ = 406320863760.

The previous prime is 428913441197. The next prime is 428913441221. The reversal of 428913441217 is 712144319824.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 428913441217 - 211 = 428913439169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428913445217) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 59373 + ... + 928090.

It is an arithmetic number, because the mean of its divisors is an integer number (56438504920).

Almost surely, 2428913441217 is an apocalyptic number.

It is an amenable number.

428913441217 is a deficient number, since it is larger than the sum of its proper divisors (22594598143).

428913441217 is a wasteful number, since it uses less digits than its factorization.

428913441217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010343.

The product of its digits is 387072, while the sum is 46.

The spelling of 428913441217 in words is "four hundred twenty-eight billion, nine hundred thirteen million, four hundred forty-one thousand, two hundred seventeen".

Divisors: 1 19 22861 434359 987463 18761797 22574391643 428913441217