Search a number
-
+
6854544005 = 54493053249
BaseRepresentation
bin1100110001001000…
…00000101010000101
3122200201000220200012
412120210000222011
5103014230402010
63052100400005
7331601443211
oct63044005205
918621026605
106854544005
1129a8236401
1213b36a6005
138531383ca
144904d5941
152a1b86005
hex198900a85

6854544005 has 8 divisors (see below), whose sum is σ = 8243775000. Its totient is φ = 5471420416.

The previous prime is 6854543977. The next prime is 6854544049. The reversal of 6854544005 is 5004454586.

It can be written as a sum of positive squares in 4 ways, for example, as 530795521 + 6323748484 = 23039^2 + 79522^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6854544005 - 228 = 6586108549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1524380 + ... + 1528869.

It is an arithmetic number, because the mean of its divisors is an integer number (1030471875).

Almost surely, 26854544005 is an apocalyptic number.

It is an amenable number.

6854544005 is a deficient number, since it is larger than the sum of its proper divisors (1389230995).

6854544005 is a wasteful number, since it uses less digits than its factorization.

6854544005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053703.

The product of its (nonzero) digits is 384000, while the sum is 41.

The square root of 6854544005 is about 82792.1735733517. The cubic root of 6854544005 is about 1899.5884616524.

The spelling of 6854544005 in words is "six billion, eight hundred fifty-four million, five hundred forty-four thousand, five".

Divisors: 1 5 449 2245 3053249 15266245 1370908801 6854544005