Search a number
-
+
7093939385 = 513109137529
BaseRepresentation
bin1101001101101010…
…01110110010111001
3200022101111110101202
412212311032302321
5104012022030020
63131531423545
7340536330011
oct64665166271
920271443352
107093939385
113010386725
12145b8b4bb5
13890906c90
144b4210c41
152b7bc2e75
hex1a6d4ecb9

7093939385 has 8 divisors (see below), whose sum is σ = 9167552520. Its totient is φ = 5238601344.

The previous prime is 7093939373. The next prime is 7093939387. The reversal of 7093939385 is 5839393907.

It can be written as a sum of positive squares in 4 ways, for example, as 227496889 + 6866442496 = 15083^2 + 82864^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7093939385 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7093939385.

It is not an unprimeable number, because it can be changed into a prime (7093939387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54568700 + ... + 54568829.

It is an arithmetic number, because the mean of its divisors is an integer number (1145944065).

Almost surely, 27093939385 is an apocalyptic number.

It is an amenable number.

7093939385 is a deficient number, since it is larger than the sum of its proper divisors (2073613135).

7093939385 is a wasteful number, since it uses less digits than its factorization.

7093939385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109137547.

The product of its (nonzero) digits is 5511240, while the sum is 56.

The square root of 7093939385 is about 84225.5269202871. The cubic root of 7093939385 is about 1921.4503098211.

The spelling of 7093939385 in words is "seven billion, ninety-three million, nine hundred thirty-nine thousand, three hundred eighty-five".

Divisors: 1 5 13 65 109137529 545687645 1418787877 7093939385