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26848469538 = 23211235112
BaseRepresentation
bin11001000000010010…
…110010001000100010
32120022010010120022200
4121000102302020202
5414441202011123
620200051514030
71640221140252
oct310022621042
976263116280
1026848469538
1110428296600
1252535b8916
1326bb497187
141429a79962
15a72102143
hex6404b2222

26848469538 has 54 divisors (see below), whose sum is σ = 63958993371. Its totient is φ = 8133582600.

The previous prime is 26848469509. The next prime is 26848469603. The reversal of 26848469538 is 83596484862.

26848469538 is a `hidden beast` number, since 2 + 68 + 484 + 6 + 95 + 3 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13424234769 + 13424234769 = 115863^2 + 115863^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=115863.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7645203 + ... + 7648713.

Almost surely, 226848469538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26848469538

26848469538 is an abundant number, since it is smaller than the sum of its proper divisors (37110523833).

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

26848469538 is an equidigital number, since it uses as much as digits as its factorization.

26848469538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7052 (or 3527 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 63.

The spelling of 26848469538 in words is "twenty-six billion, eight hundred forty-eight million, four hundred sixty-nine thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 121 198 242 363 726 1089 2178 3511 7022 10533 21066 31599 38621 63198 77242 115863 231726 347589 424831 695178 849662 1274493 2548986 3823479 7646958 12327121 24654242 36981363 73962726 110944089 135598331 221888178 271196662 406794993 813589986 1220384979 1491581641 2440769958 2983163282 4474744923 8949489846 13424234769 26848469538