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9087048649 = 73074228501
BaseRepresentation
bin10000111011010000…
…10101101111001001
3212110021212220022101
420131220111233021
5122102241024044
64101410553401
7441120432130
oct103550255711
925407786271
109087048649
113943447168
121917298861
13b1a80aa83
14622bd4917
15382b73cd4
hex21da15bc9

9087048649 has 8 divisors (see below), whose sum is σ = 10419028928. Its totient is φ = 7763526000.

The previous prime is 9087048617. The next prime is 9087048739. The reversal of 9087048649 is 9468407809.

9087048649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9087048649 - 25 = 9087048617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9087048649.

It is not an unprimeable number, because it can be changed into a prime (9087048749) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2112102 + ... + 2116399.

It is an arithmetic number, because the mean of its divisors is an integer number (1302378616).

Almost surely, 29087048649 is an apocalyptic number.

It is an amenable number.

9087048649 is a deficient number, since it is larger than the sum of its proper divisors (1331980279).

9087048649 is a wasteful number, since it uses less digits than its factorization.

9087048649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4228815.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The square root of 9087048649 is about 95326.0124467608. The cubic root of 9087048649 is about 2086.7685576510.

The spelling of 9087048649 in words is "nine billion, eighty-seven million, forty-eight thousand, six hundred forty-nine".

Divisors: 1 7 307 2149 4228501 29599507 1298149807 9087048649