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6853204961 = 36718673583
BaseRepresentation
bin1100110000111101…
…11001101111100001
3122200121111212211222
412120132321233201
5103013410024321
63052011544425
7331554165251
oct63036715741
918617455758
106853204961
1129a7501359
1213b315b115
13852a89a85
14490267961
152a19be3ab
hex1987b9be1

6853204961 has 4 divisors (see below), whose sum is σ = 6871878912. Its totient is φ = 6834531012.

The previous prime is 6853204933. The next prime is 6853204997. The reversal of 6853204961 is 1694023586.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1694023586 = 2847011793.

It is a cyclic number.

It is not a de Polignac number, because 6853204961 - 214 = 6853188577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6853206961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9336425 + ... + 9337158.

It is an arithmetic number, because the mean of its divisors is an integer number (1717969728).

Almost surely, 26853204961 is an apocalyptic number.

It is an amenable number.

6853204961 is a deficient number, since it is larger than the sum of its proper divisors (18673951).

6853204961 is a wasteful number, since it uses less digits than its factorization.

6853204961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18673950.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 6853204961 is about 82784.0863995007. The cubic root of 6853204961 is about 1899.4647579127.

The spelling of 6853204961 in words is "six billion, eight hundred fifty-three million, two hundred four thousand, nine hundred sixty-one".

Divisors: 1 367 18673583 6853204961