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6864063189 = 32288021063
BaseRepresentation
bin1100110010010000…
…10100101011010101
3122201100221112112120
412121020110223111
5103024200010224
63053040410153
7332045401014
oct63110245325
918640845476
106864063189
112a026482a5
1213b6916959
138550bc169
14491892a7b
152a2916779
hex199214ad5

6864063189 has 4 divisors (see below), whose sum is σ = 9152084256. Its totient is φ = 4576042124.

The previous prime is 6864063179. The next prime is 6864063197. The reversal of 6864063189 is 9813604686.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6864063189 - 227 = 6729845461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6864063119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1144010529 + ... + 1144010534.

It is an arithmetic number, because the mean of its divisors is an integer number (2288021064).

Almost surely, 26864063189 is an apocalyptic number.

It is an amenable number.

6864063189 is a deficient number, since it is larger than the sum of its proper divisors (2288021067).

6864063189 is a wasteful number, since it uses less digits than its factorization.

6864063189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288021066.

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 6864063189 is about 82849.6420571628. The cubic root of 6864063189 is about 1900.4674001532.

The spelling of 6864063189 in words is "six billion, eight hundred sixty-four million, sixty-three thousand, one hundred eighty-nine".

Divisors: 1 3 2288021063 6864063189