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27855066430 = 253159283311
BaseRepresentation
bin11001111100010010…
…101001010100111110
32122220021012222200001
4121330102221110332
5424021344111210
620444010424514
72004163105132
oct317422512476
978807188601
1027855066430
11108a4505764
12549473213a
13281bba3c39
1414c36233c2
15ad068803a
hex67c4a953e

27855066430 has 96 divisors (see below), whose sum is σ = 53454256128. Its totient is φ = 10438468800.

The previous prime is 27855066427. The next prime is 27855066467. The reversal of 27855066430 is 3466055872.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89565975 + ... + 89566285.

It is an arithmetic number, because the mean of its divisors is an integer number (556815168).

Almost surely, 227855066430 is an apocalyptic number.

27855066430 is a deficient number, since it is larger than the sum of its proper divisors (25599189698).

27855066430 is a wasteful number, since it uses less digits than its factorization.

27855066430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 27855066430 in words is "twenty-seven billion, eight hundred fifty-five million, sixty-six thousand, four hundred thirty".

Divisors: 1 2 5 10 31 59 62 83 118 155 166 295 310 311 415 590 622 830 1555 1829 2573 3110 3481 3658 4897 5146 6962 9145 9641 9794 12865 17405 18290 18349 19282 24485 25730 25813 34810 36698 48205 48970 51626 91745 96410 107911 129065 151807 183490 215822 258130 288923 303614 539555 568819 577846 759035 800203 1079110 1082591 1137638 1444615 1518070 1522967 1600406 2165182 2844095 2889230 3045934 4001015 5412955 5688190 7614835 8002030 8956613 10825910 15229670 17913226 33560321 44783065 47211977 67120642 89566130 89855053 94423954 167801605 179710106 236059885 335603210 449275265 472119770 898550530 2785506643 5571013286 13927533215 27855066430