Search a number
-
+
6615000493 is a prime number
BaseRepresentation
bin1100010100100100…
…01110010110101101
3122002000021211202021
412022102032112231
5102021420003433
63012222230141
7322632401503
oct61222162655
918060254667
106615000493
112894aa4862
121347425351
1381561729a
1446a77c673
1528ab1a22d
hex18a48e5ad

6615000493 has 2 divisors, whose sum is σ = 6615000494. Its totient is φ = 6615000492.

The previous prime is 6615000473. The next prime is 6615000541. The reversal of 6615000493 is 3940005166.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6425304964 + 189695529 = 80158^2 + 13773^2 .

It is a cyclic number.

It is not a de Polignac number, because 6615000493 - 225 = 6581446061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6615000463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3307500246 + 3307500247.

It is an arithmetic number, because the mean of its divisors is an integer number (3307500247).

Almost surely, 26615000493 is an apocalyptic number.

It is an amenable number.

6615000493 is a deficient number, since it is larger than the sum of its proper divisors (1).

6615000493 is an equidigital number, since it uses as much as digits as its factorization.

6615000493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 6615000493 is about 81332.6533011189. The cubic root of 6615000493 is about 1877.1974703371.

The spelling of 6615000493 in words is "six billion, six hundred fifteen million, four hundred ninety-three", and thus it is an aban number.