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6889314385 = 52947512513
BaseRepresentation
bin1100110101010001…
…01001100001010001
3122210010110102200001
412122220221201101
5103102131030020
63055341530001
7332503130452
oct63250514121
918703412601
106889314385
112a15924958
121403273901
1385a3c07b5
14494d87129
152a4c5350a
hex19aa29851

6889314385 has 8 divisors (see below), whose sum is σ = 8552252520. Its totient is φ = 5321401344.

The previous prime is 6889314353. The next prime is 6889314461. The reversal of 6889314385 is 5834139886.

It can be written as a sum of positive squares in 4 ways, for example, as 691058944 + 6198255441 = 26288^2 + 78729^2 .

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 6889314385 - 25 = 6889314353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23756112 + ... + 23756401.

It is an arithmetic number, because the mean of its divisors is an integer number (1069031565).

Almost surely, 26889314385 is an apocalyptic number.

It is an amenable number.

6889314385 is a deficient number, since it is larger than the sum of its proper divisors (1662938135).

6889314385 is a wasteful number, since it uses less digits than its factorization.

6889314385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47512547.

The product of its digits is 4976640, while the sum is 55.

The square root of 6889314385 is about 83001.8938639354. The cubic root of 6889314385 is about 1902.7949985843.

The spelling of 6889314385 in words is "six billion, eight hundred eighty-nine million, three hundred fourteen thousand, three hundred eighty-five".

Divisors: 1 5 29 145 47512513 237562565 1377862877 6889314385