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6905395313 = 12975324129
BaseRepresentation
bin1100110111001011…
…11111100001110001
3122211020201102112222
412123211333201301
5103120240122223
63101114330425
7333056614565
oct63345774161
918736642488
106905395313
112a23a08783
121408729a15
1386083113b
144971716a5
152a637d0c8
hex19b97f871

6905395313 has 4 divisors (see below), whose sum is σ = 6910720740. Its totient is φ = 6900069888.

The previous prime is 6905395303. The next prime is 6905395339. The reversal of 6905395313 is 3135935096.

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 3330790369 + 3574604944 = 57713^2 + 59788^2 .

It is a cyclic number.

It is not a de Polignac number, because 6905395313 - 26 = 6905395249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6905395303) 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, 2660768 + ... + 2663361.

It is an arithmetic number, because the mean of its divisors is an integer number (1727680185).

Almost surely, 26905395313 is an apocalyptic number.

It is an amenable number.

6905395313 is a deficient number, since it is larger than the sum of its proper divisors (5325427).

6905395313 is a wasteful number, since it uses less digits than its factorization.

6905395313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5325426.

The product of its (nonzero) digits is 328050, while the sum is 44.

The square root of 6905395313 is about 83098.7082510914. The cubic root of 6905395313 is about 1904.2743394308.

The spelling of 6905395313 in words is "six billion, nine hundred five million, three hundred ninety-five thousand, three hundred thirteen".

Divisors: 1 1297 5324129 6905395313