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11026664512 = 26616614273
BaseRepresentation
bin10100100010011110…
…11000110001000000
31001110110121121001221
422101033120301000
5140040311231022
65022055404424
7540152046643
oct122117306100
931413547057
1011026664512
1147492a0286
122178983714
131069602376
14768651a5a
154480a9cc7
hex2913d8c40

11026664512 has 56 divisors (see below), whose sum is σ = 22278601112. Its totient is φ = 5413478400.

The previous prime is 11026664507. The next prime is 11026664513. The reversal of 11026664512 is 21546662011.

It can be written as a sum of positive squares in 4 ways, for example, as 182358016 + 10844306496 = 13504^2 + 104136^2 .

It is not an unprimeable number, because it can be changed into a prime (11026664513) 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 7 ways as a sum of consecutive naturals, for example, 2578408 + ... + 2582680.

Almost surely, 211026664512 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 11026664512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11139300556).

11026664512 is an abundant number, since it is smaller than the sum of its proper divisors (11251936600).

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

11026664512 is an equidigital number, since it uses as much as digits as its factorization.

11026664512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5007 (or 4997 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 11026664512 in words is "eleven billion, twenty-six million, six hundred sixty-four thousand, five hundred twelve".

Divisors: 1 2 4 8 16 32 61 64 122 244 488 661 976 1322 1952 2644 3904 4273 5288 8546 10576 17092 21152 34184 40321 42304 68368 80642 136736 161284 260653 273472 322568 521306 645136 1042612 1290272 2085224 2580544 2824453 4170448 5648906 8340896 11297812 16681792 22595624 45191248 90382496 172291633 180764992 344583266 689166532 1378333064 2756666128 5513332256 11026664512