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6885812432 = 242917385781
BaseRepresentation
bin1100110100110110…
…10010100011010000
3122202212212111220002
412122123102203100
5103100231444212
63055134505132
7332431303622
oct63233224320
918685774802
106885812432
112a13952884
1214020651a8
13859765835
14494714c12
152a47b0ac2
hex19a6d28d0

6885812432 has 40 divisors (see below), whose sum is σ = 13881243240. Its totient is φ = 3304931840.

The previous prime is 6885812393. The next prime is 6885812467. The reversal of 6885812432 is 2342185886.

It can be written as a sum of positive squares in 4 ways, for example, as 4206300736 + 2679511696 = 64856^2 + 51764^2 .

It is a congruent number.

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, 37382 + ... + 123162.

It is an arithmetic number, because the mean of its divisors is an integer number (347031081).

Almost surely, 26885812432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6885812432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6940621620).

6885812432 is an abundant number, since it is smaller than the sum of its proper divisors (6995430808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6885812432 is a wasteful number, since it uses less digits than its factorization.

6885812432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85991 (or 85985 counting only the distinct ones).

The product of its digits is 737280, while the sum is 47.

The square root of 6885812432 is about 82980.7955613828. The cubic root of 6885812432 is about 1902.4725365000.

The spelling of 6885812432 in words is "six billion, eight hundred eighty-five million, eight hundred twelve thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 29 58 116 173 232 346 464 692 1384 2768 5017 10034 20068 40136 80272 85781 171562 343124 686248 1372496 2487649 4975298 9950596 14840113 19901192 29680226 39802384 59360452 118720904 237441808 430363277 860726554 1721453108 3442906216 6885812432