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8993522837 = 131913622039
BaseRepresentation
bin10000110000000111…
…00100010010010101
3212012202220022000102
420120003210102111
5121404320212322
64044230223445
7435603453125
oct103003442225
925182808012
108993522837
1138a5677902
1218abab4b85
13b04323060
1461460ac85
1537984c792
hex2180e4495

8993522837 has 8 divisors (see below), whose sum is σ = 9736043520. Its totient is φ = 8258246640.

The previous prime is 8993522789. The next prime is 8993522843. The reversal of 8993522837 is 7382253998.

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 8993522837 - 26 = 8993522773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8993512837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1808537 + ... + 1813502.

It is an arithmetic number, because the mean of its divisors is an integer number (1217005440).

Almost surely, 28993522837 is an apocalyptic number.

It is an amenable number.

8993522837 is a deficient number, since it is larger than the sum of its proper divisors (742520683).

8993522837 is a wasteful number, since it uses less digits than its factorization.

8993522837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622243.

The product of its digits is 6531840, while the sum is 56.

The square root of 8993522837 is about 94834.1860143271. The cubic root of 8993522837 is about 2079.5847017414.

The spelling of 8993522837 in words is "eight billion, nine hundred ninety-three million, five hundred twenty-two thousand, eight hundred thirty-seven".

Divisors: 1 13 191 2483 3622039 47086507 691809449 8993522837