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9048812485 = 52297902893
BaseRepresentation
bin10000110110101100…
…11110101111000101
3212100121221022011011
420123112132233011
5122012443444420
64053523242221
7440144431336
oct103326365705
925317838134
109048812485
113923900829
121906519371
13b1291101b
1461bac028d
1537e61e95a
hex21b59ebc5

9048812485 has 8 divisors (see below), whose sum is σ = 10905993720. Its totient is φ = 7207437504.

The previous prime is 9048812449. The next prime is 9048812489. The reversal of 9048812485 is 5842188409.

It can be written as a sum of positive squares in 4 ways, for example, as 1862181409 + 7186631076 = 43153^2 + 84774^2 .

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 9048812485 - 211 = 9048810437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9048812489) 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, 3950302 + ... + 3952591.

It is an arithmetic number, because the mean of its divisors is an integer number (1363249215).

Almost surely, 29048812485 is an apocalyptic number.

It is an amenable number.

9048812485 is a deficient number, since it is larger than the sum of its proper divisors (1857181235).

9048812485 is a wasteful number, since it uses less digits than its factorization.

9048812485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7903127.

The product of its (nonzero) digits is 737280, while the sum is 49.

The square root of 9048812485 is about 95125.2463071713. The cubic root of 9048812485 is about 2083.8375656869.

The spelling of 9048812485 in words is "nine billion, forty-eight million, eight hundred twelve thousand, four hundred eighty-five".

Divisors: 1 5 229 1145 7902893 39514465 1809762497 9048812485