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11085972688 = 247538322501
BaseRepresentation
bin10100101001100011…
…01000010011010000
31001121121012202121001
422110301220103100
5140201002111223
65032014511344
7541502133040
oct122461502320
931547182531
1011085972688
1147798193aa
122194805554
13107899946b
1477248d720
1544d3c29ad
hex294c684d0

11085972688 has 80 divisors (see below), whose sum is σ = 25313129856. Its totient is φ = 4605120000.

The previous prime is 11085972683. The next prime is 11085972701. The reversal of 11085972688 is 88627958011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11085972683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481438 + ... + 503938.

Almost surely, 211085972688 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 11085972688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12656564928).

11085972688 is an abundant number, since it is smaller than the sum of its proper divisors (14227157168).

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

11085972688 is a wasteful number, since it uses less digits than its factorization.

11085972688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22652 (or 22646 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 55.

The spelling of 11085972688 in words is "eleven billion, eighty-five million, nine hundred seventy-two thousand, six hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 53 56 83 106 112 166 212 332 371 424 581 664 742 848 1162 1328 1484 2324 2968 4399 4648 5936 8798 9296 17596 22501 30793 35192 45002 61586 70384 90004 123172 157507 180008 246344 315014 360016 492688 630028 1192553 1260056 1867583 2385106 2520112 3735166 4770212 7470332 8347871 9540424 13073081 14940664 16695742 19080848 26146162 29881328 33391484 52292324 66782968 98981899 104584648 133565936 197963798 209169296 395927596 692873293 791855192 1385746586 1583710384 2771493172 5542986344 11085972688