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27850259272 = 231132990191
BaseRepresentation
bin11001111100000000…
…010011101101001000
32122212221011202111011
4121330000103231020
5424014131244042
620443315413304
72004104204113
oct317400235510
978787152434
1027850259272
11108a1822000
125492bb4234
13281abacb74
1414c2b3157a
15ad0038a17
hex67c013b48

27850259272 has 64 divisors (see below), whose sum is σ = 59418489600. Its totient is φ = 12222548800.

The previous prime is 27850259249. The next prime is 27850259293. The reversal of 27850259272 is 27295205872.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263697 + ... + 353887.

It is an arithmetic number, because the mean of its divisors is an integer number (928413900).

Almost surely, 227850259272 is an apocalyptic number.

27850259272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27850259272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29709244800).

27850259272 is an abundant number, since it is smaller than the sum of its proper divisors (31568230328).

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

27850259272 is a wasteful number, since it uses less digits than its factorization.

27850259272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90259 (or 90233 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 27850259272 in words is "twenty-seven billion, eight hundred fifty million, two hundred fifty-nine thousand, two hundred seventy-two".

Divisors: 1 2 4 8 11 22 29 44 58 88 116 121 232 242 319 484 638 968 1276 1331 2552 2662 3509 5324 7018 10648 14036 28072 38599 77198 90191 154396 180382 308792 360764 721528 992101 1984202 2615539 3968404 5231078 7936808 10462156 10913111 20924312 21826222 28770929 43652444 57541858 87304888 115083716 120044221 230167432 240088442 316480219 480176884 632960438 960353768 1265920876 2531841752 3481282409 6962564818 13925129636 27850259272