Search a number
-
+
6853204643 = 41916356097
BaseRepresentation
bin1100110000111101…
…11001101010100011
3122200121111212102012
412120132321222203
5103013410022033
63052011543135
7331554164315
oct63036715243
918617455365
106853204643
1129a750109a
1213b315aaab
13852a8989c
144902677b5
152a19be248
hex1987b9aa3

6853204643 has 4 divisors (see below), whose sum is σ = 6869561160. Its totient is φ = 6836848128.

The previous prime is 6853204597. The next prime is 6853204651. The reversal of 6853204643 is 3464023586.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3464023586 = 21732011793.

It is a cyclic number.

It is not a de Polignac number, because 6853204643 - 210 = 6853203619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6853204643.

It is not an unprimeable number, because it can be changed into a prime (6853206643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8177630 + ... + 8178467.

It is an arithmetic number, because the mean of its divisors is an integer number (1717390290).

Almost surely, 26853204643 is an apocalyptic number.

6853204643 is a deficient number, since it is larger than the sum of its proper divisors (16356517).

6853204643 is a wasteful number, since it uses less digits than its factorization.

6853204643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16356516.

The product of its (nonzero) digits is 414720, while the sum is 41.

The square root of 6853204643 is about 82784.0844788417. The cubic root of 6853204643 is about 1899.4647285332.

The spelling of 6853204643 in words is "six billion, eight hundred fifty-three million, two hundred four thousand, six hundred forty-three".

Divisors: 1 419 16356097 6853204643