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6393038045 = 51278607609
BaseRepresentation
bin1011111010000111…
…00000010011011101
3121111112121222111212
411331003200103131
5101043104204140
62534212554205
7314265632612
oct57503402335
917445558455
106393038045
112790781119
1212a5022965
137ab640564
144490c0509
152763c3765
hex17d0e04dd

6393038045 has 4 divisors (see below), whose sum is σ = 7671645660. Its totient is φ = 5114430432.

The previous prime is 6393038039. The next prime is 6393038051. The reversal of 6393038045 is 5408303936.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6393038039) and next prime (6393038051).

It can be written as a sum of positive squares in 2 ways, for example, as 4083082201 + 2309955844 = 63899^2 + 48062^2 .

It is a cyclic number.

It is not a de Polignac number, because 6393038045 - 28 = 6393037789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6393037993 and 6393038011.

It is a congruent 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, 639303800 + ... + 639303809.

It is an arithmetic number, because the mean of its divisors is an integer number (1917911415).

Almost surely, 26393038045 is an apocalyptic number.

It is an amenable number.

6393038045 is a deficient number, since it is larger than the sum of its proper divisors (1278607615).

6393038045 is a wasteful number, since it uses less digits than its factorization.

6393038045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278607614.

The product of its (nonzero) digits is 233280, while the sum is 41.

The square root of 6393038045 is about 79956.4759416021. The cubic root of 6393038045 is about 1855.9620697580.

The spelling of 6393038045 in words is "six billion, three hundred ninety-three million, thirty-eight thousand, forty-five".

Divisors: 1 5 1278607609 6393038045