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27728586304 = 261773349121
BaseRepresentation
bin11001110100110000…
…001010011001000000
32122120110020010112221
4121310300022121000
5423242004230204
620423251500424
72001066044326
oct316460123100
978513203487
1027728586304
111083a078331
12545a2b7714
1327cb91b623
1414b08dbd16
15ac4502654
hex674c0a640

27728586304 has 56 divisors (see below), whose sum is σ = 59058874008. Its totient is φ = 12869959680.

The previous prime is 27728586293. The next prime is 27728586341. The reversal of 27728586304 is 40368582772.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12463489600 + 15265096704 = 111640^2 + 123552^2 .

It is an unprimeable number.

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, 95137 + ... + 253984.

Almost surely, 227728586304 is an apocalyptic number.

It is an amenable number.

27728586304 is an abundant number, since it is smaller than the sum of its proper divisors (31330287704).

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

27728586304 is a wasteful number, since it uses less digits than its factorization.

27728586304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349223 (or 349213 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 27728586304 in words is "twenty-seven billion, seven hundred twenty-eight million, five hundred eighty-six thousand, three hundred four".

Divisors: 1 2 4 8 16 17 32 34 64 68 73 136 146 272 292 544 584 1088 1168 1241 2336 2482 4672 4964 9928 19856 39712 79424 349121 698242 1396484 2792968 5585936 5935057 11171872 11870114 22343744 23740228 25485833 47480456 50971666 94960912 101943332 189921824 203886664 379843648 407773328 433259161 815546656 866518322 1631093312 1733036644 3466073288 6932146576 13864293152 27728586304