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9713691305 = 51942738261
BaseRepresentation
bin10010000101111101…
…10010101010101001
3221001222000122102122
421002332302222221
5124343201110210
64243514041025
7462500004503
oct110276625251
927058018378
109713691305
11413514205a
121a71119175
13bba5a4446
14682114d73
153bcba5b55
hex242fb2aa9

9713691305 has 4 divisors (see below), whose sum is σ = 11656429572. Its totient is φ = 7770953040.

The previous prime is 9713691277. The next prime is 9713691313. The reversal of 9713691305 is 5031963179.

9713691305 is digitally balanced in base 2, 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 4560030784 + 5153660521 = 67528^2 + 71789^2 .

It is not a de Polignac number, because 9713691305 - 28 = 9713691049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 971369126 + ... + 971369135.

It is an arithmetic number, because the mean of its divisors is an integer number (2914107393).

Almost surely, 29713691305 is an apocalyptic number.

It is an amenable number.

9713691305 is a deficient number, since it is larger than the sum of its proper divisors (1942738267).

9713691305 is a wasteful number, since it uses less digits than its factorization.

9713691305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942738266.

The product of its (nonzero) digits is 153090, while the sum is 44.

The square root of 9713691305 is about 98558.0605785240. The cubic root of 9713691305 is about 2133.6741676435.

The spelling of 9713691305 in words is "nine billion, seven hundred thirteen million, six hundred ninety-one thousand, three hundred five".

Divisors: 1 5 1942738261 9713691305