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8235043218 = 232457502401
BaseRepresentation
bin1111010101101100…
…01100100110010010
3210020220200112120200
413222312030212102
5113331132340333
63441053320030
7411033466233
oct75266144622
923226615520
108235043218
113546515946
121719a96016
13a13149a4c
145819ad08a
15332e77c13
hex1ead8c992

8235043218 has 12 divisors (see below), whose sum is σ = 17842593678. Its totient is φ = 2745014400.

The previous prime is 8235043207. The next prime is 8235043237. The reversal of 8235043218 is 8123405328.

It can be written as a sum of positive squares in only one way, i.e., 4646194569 + 3588848649 = 68163^2 + 59907^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 228751183 + ... + 228751218.

Almost surely, 28235043218 is an apocalyptic number.

8235043218 is an abundant number, since it is smaller than the sum of its proper divisors (9607550460).

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

8235043218 is a wasteful number, since it uses less digits than its factorization.

8235043218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457502409 (or 457502406 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 8235043218 is about 90747.1388970473. The cubic root of 8235043218 is about 2019.3981818266.

The spelling of 8235043218 in words is "eight billion, two hundred thirty-five million, forty-three thousand, two hundred eighteen".

Divisors: 1 2 3 6 9 18 457502401 915004802 1372507203 2745014406 4117521609 8235043218