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27550083191 = 313721076067
BaseRepresentation
bin11001101010000111…
…001110100001110111
32122010000100020022112
4121222013032201313
5422410310130231
620353433521235
71663500562151
oct315207164167
978100306275
1027550083191
11107583382a4
12540a57321b
1327a094cb97
141494d13ad1
15ab39e292b
hex66a1ce877

27550083191 has 24 divisors (see below), whose sum is σ = 29506208256. Its totient is φ = 25694120160.

The previous prime is 27550083181. The next prime is 27550083221. The reversal of 27550083191 is 19138005572.

It is not a de Polignac number, because 27550083191 - 234 = 10370214007 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27550083181) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4537940 + ... + 4544006.

It is an arithmetic number, because the mean of its divisors is an integer number (1229425344).

Almost surely, 227550083191 is an apocalyptic number.

27550083191 is a deficient number, since it is larger than the sum of its proper divisors (1956125065).

27550083191 is a wasteful number, since it uses less digits than its factorization.

27550083191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6279 (or 6242 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 41.

The spelling of 27550083191 in words is "twenty-seven billion, five hundred fifty million, eighty-three thousand, one hundred ninety-one".

Divisors: 1 31 37 107 1147 1369 3317 3959 6067 42439 122729 146483 188077 224479 649169 4540973 6958849 8305723 20124239 24019253 257477413 744596843 888712361 27550083191