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6413730613 = 7393867541
BaseRepresentation
bin1011111100100100…
…11100001100110101
3121112222120021101021
411332102130030311
5101113403334423
62540232301141
7314636545033
oct57622341465
917488507337
106413730613
1127a1424814
1212abb417b1
137b2a06c94
1444bb49553
1527810e95d
hex17e49c335

6413730613 has 4 divisors (see below), whose sum is σ = 6414605548. Its totient is φ = 6412855680.

The previous prime is 6413730593. The next prime is 6413730623. The reversal of 6413730613 is 3160373146.

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 2228028804 + 4185701809 = 47202^2 + 64697^2 .

It is a cyclic number.

It is not a de Polignac number, because 6413730613 - 217 = 6413599541 is a prime.

It is a super-2 number, since 2×64137306132 = 82271880752266711538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6413730623) 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, 426378 + ... + 441163.

It is an arithmetic number, because the mean of its divisors is an integer number (1603651387).

Almost surely, 26413730613 is an apocalyptic number.

It is an amenable number.

6413730613 is a deficient number, since it is larger than the sum of its proper divisors (874935).

6413730613 is an equidigital number, since it uses as much as digits as its factorization.

6413730613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874934.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 6413730613 is about 80085.7703527911. The cubic root of 6413730613 is about 1857.9623321383.

The spelling of 6413730613 in words is "six billion, four hundred thirteen million, seven hundred thirty thousand, six hundred thirteen".

Divisors: 1 7393 867541 6413730613