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800040884393 = 979293887533
BaseRepresentation
bin10111010010001100010…
…01110001100010101001
32211111001020001212211102
423221012021301202221
5101101440431300033
61411311140411145
7111541521212342
oct13510611614251
92744036055742
10800040884393
11289328249853
1210b0780a6ab5
135a59c59291a
142aa179690c9
1515c26bbade8
hexba462718a9

800040884393 has 8 divisors (see below), whose sum is σ = 808376617608. Its totient is φ = 791706945024.

The previous prime is 800040884389. The next prime is 800040884399. The reversal of 800040884393 is 393488040008.

It can be written as a sum of positive squares in 4 ways, for example, as 179328534784 + 620712349609 = 423472^2 + 787853^2 .

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 800040884393 - 22 = 800040884389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (800040884399) 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, 457655 + ... + 1345187.

It is an arithmetic number, because the mean of its divisors is an integer number (101047077201).

Almost surely, 2800040884393 is an apocalyptic number.

It is an amenable number.

800040884393 is a deficient number, since it is larger than the sum of its proper divisors (8335733215).

800040884393 is an equidigital number, since it uses as much as digits as its factorization.

800040884393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896923.

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 800040884393 in words is "eight hundred billion, forty million, eight hundred eighty-four thousand, three hundred ninety-three".

Divisors: 1 97 9293 887533 901421 86090701 8247844169 800040884393