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8988982393 = 41219243473
BaseRepresentation
bin10000101111100100…
…01111110001111001
3212012110100121200211
420113302033301321
5121402134414033
64043545031121
7435520042516
oct102762176171
925173317624
108988982393
1138a3056576
1218aa4854a1
13b033c34c1
14613b8830d
153792522cd
hex217c8fc79

8988982393 has 4 divisors (see below), whose sum is σ = 9208225908. Its totient is φ = 8769738880.

The previous prime is 8988982391. The next prime is 8988982399. The reversal of 8988982393 is 3932898898.

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

It can be written as a sum of positive squares in 2 ways, for example, as 386790889 + 8602191504 = 19667^2 + 92748^2 .

It is a cyclic number.

It is not a de Polignac number, because 8988982393 - 21 = 8988982391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8988982391) 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 3 ways as a sum of consecutive naturals, for example, 109621696 + ... + 109621777.

It is an arithmetic number, because the mean of its divisors is an integer number (2302056477).

Almost surely, 28988982393 is an apocalyptic number.

It is an amenable number.

8988982393 is a deficient number, since it is larger than the sum of its proper divisors (219243515).

8988982393 is a wasteful number, since it uses less digits than its factorization.

8988982393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219243514.

The product of its digits is 53747712, while the sum is 67.

The square root of 8988982393 is about 94810.2441353254. The cubic root of 8988982393 is about 2079.2346784527.

The spelling of 8988982393 in words is "eight billion, nine hundred eighty-eight million, nine hundred eighty-two thousand, three hundred ninety-three".

Divisors: 1 41 219243473 8988982393