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6878135093 = 61112756313
BaseRepresentation
bin1100110011111100…
…00000001100110101
3122202100102110120012
412121332000030311
5103041300310333
63054302150005
7332306116664
oct63176001465
918670373505
106878135093
112a0a589775
1213bb582305
13857ca822b
144936b6ddb
152a3c95e48
hex199f80335

6878135093 has 4 divisors (see below), whose sum is σ = 6990891468. Its totient is φ = 6765378720.

The previous prime is 6878135057. The next prime is 6878135101. The reversal of 6878135093 is 3905318786.

It is a happy number.

6878135093 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2333083204 + 4545051889 = 48302^2 + 67417^2 .

It is a cyclic number.

It is not a de Polignac number, because 6878135093 - 26 = 6878135029 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 (6878135003) 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, 56378096 + ... + 56378217.

It is an arithmetic number, because the mean of its divisors is an integer number (1747722867).

Almost surely, 26878135093 is an apocalyptic number.

It is an amenable number.

6878135093 is a deficient number, since it is larger than the sum of its proper divisors (112756375).

6878135093 is a wasteful number, since it uses less digits than its factorization.

6878135093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112756374.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 6878135093 is about 82934.5229262217. The cubic root of 6878135093 is about 1901.7652194185.

The spelling of 6878135093 in words is "six billion, eight hundred seventy-eight million, one hundred thirty-five thousand, ninety-three".

Divisors: 1 61 112756313 6878135093