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6687888113 = 8239538527
BaseRepresentation
bin1100011101010000…
…10001001011110001
3122021002102220202202
412032220101023301
5102144044404423
63023344352545
7324506053034
oct61650211361
918232386682
106687888113
112922158365
121367915755
1382775725a
1447631301b
15292216728
hex18ea112f1

6687888113 has 8 divisors (see below), whose sum is σ = 6703826688. Its totient is φ = 6671970144.

The previous prime is 6687888107. The next prime is 6687888131. The reversal of 6687888113 is 3118887866.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6687888113 - 216 = 6687822577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6687888313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780056 + ... + 788582.

It is an arithmetic number, because the mean of its divisors is an integer number (837978336).

Almost surely, 26687888113 is an apocalyptic number.

It is an amenable number.

6687888113 is a deficient number, since it is larger than the sum of its proper divisors (15938575).

6687888113 is an equidigital number, since it uses as much as digits as its factorization.

6687888113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10303.

The product of its digits is 3096576, while the sum is 56.

The square root of 6687888113 is about 81779.5091266755. The cubic root of 6687888113 is about 1884.0669570830.

The spelling of 6687888113 in words is "six billion, six hundred eighty-seven million, eight hundred eighty-eight thousand, one hundred thirteen".

Divisors: 1 823 953 8527 784319 7017721 8126231 6687888113