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6808296928087 = 67101616372061
BaseRepresentation
bin110001100010010111000…
…0111101011001101010111
3220002212101220210220112201
41203010232013223031113
51343021343003144322
622251404411225331
71301611642020004
oct143045607531527
926085356726481
106808296928087
112195423140006
1291b5b0a48247
133a5034213075
141977480328ab
15bc175878d27
hex6312e1eb357

6808296928087 has 4 divisors (see below), whose sum is σ = 6909913300216. Its totient is φ = 6706680555960.

The previous prime is 6808296928049. The next prime is 6808296928093. The reversal of 6808296928087 is 7808296928086.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6808296928087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6808296928007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50808185964 + ... + 50808186097.

It is an arithmetic number, because the mean of its divisors is an integer number (1727478325054).

Almost surely, 26808296928087 is an apocalyptic number.

6808296928087 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

6808296928087 is a deficient number, since it is larger than the sum of its proper divisors (101616372129).

6808296928087 is a wasteful number, since it uses less digits than its factorization.

6808296928087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101616372128.

The product of its (nonzero) digits is 334430208, while the sum is 73.

Subtracting 6808296928087 from its reverse (7808296928086), we obtain a palindrome (999999999999).

The spelling of 6808296928087 in words is "six trillion, eight hundred eight billion, two hundred ninety-six million, nine hundred twenty-eight thousand, eighty-seven".

Divisors: 1 67 101616372061 6808296928087