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6807690194 = 23403845097
BaseRepresentation
bin1100101011100010…
…10001101111010010
3122120102212111022212
412111301101233102
5102420232041234
63043304232122
7330462261164
oct62561215722
918512774285
106807690194
112983844448
12139ba6b642
13846512066
144881ba934
1529c9cd5ce
hex195c51bd2

6807690194 has 4 divisors (see below), whose sum is σ = 10211535294. Its totient is φ = 3403845096.

The previous prime is 6807690193. The next prime is 6807690203. The reversal of 6807690194 is 4910967086.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4497445969 + 2310244225 = 67063^2 + 48065^2 .

It is not an unprimeable number, because it can be changed into a prime (6807690193) by changing a digit.

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 as a sum of consecutive naturals, namely, 1701922547 + ... + 1701922550.

Almost surely, 26807690194 is an apocalyptic number.

6807690194 is a deficient number, since it is larger than the sum of its proper divisors (3403845100).

6807690194 is a wasteful number, since it uses less digits than its factorization.

6807690194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3403845099.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 6807690194 is about 82508.7279868015. The cubic root of 6807690194 is about 1895.2503892867.

The spelling of 6807690194 in words is "six billion, eight hundred seven million, six hundred ninety thousand, one hundred ninety-four".

Divisors: 1 2 3403845097 6807690194