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27115371461081 = 4115136713019173
BaseRepresentation
bin1100010101001010010100…
…00101010111100111011001
310120000012111212011221210002
412022211022011113213121
512023224240043223311
6133400344002302345
75466010116360011
oct612451205274731
9116005455157702
1027115371461081
118704623325722
12305b1830579b5
131218c78bc64a7
1469a568bd0c41
153204ee00b93b
hex18a94a1579d9

27115371461081 has 32 divisors (see below), whose sum is σ = 28061469950976. Its totient is φ = 26184225600000.

The previous prime is 27115371461077. The next prime is 27115371461119. The reversal of 27115371461081 is 18016417351172.

It is a cyclic number.

It is not a de Polignac number, because 27115371461081 - 22 = 27115371461077 is a prime.

It is a super-3 number, since 3×271153714610813 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27115371461071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2955993611 + ... + 2956002783.

It is an arithmetic number, because the mean of its divisors is an integer number (876920935968).

Almost surely, 227115371461081 is an apocalyptic number.

It is an amenable number.

27115371461081 is a deficient number, since it is larger than the sum of its proper divisors (946098489895).

27115371461081 is a wasteful number, since it uses less digits than its factorization.

27115371461081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11033.

The product of its (nonzero) digits is 282240, while the sum is 47.

The spelling of 27115371461081 in words is "twenty-seven trillion, one hundred fifteen billion, three hundred seventy-one million, four hundred sixty-one thousand, eighty-one".

Divisors: 1 41 151 367 1301 6191 9173 15047 53341 55417 196451 376093 477467 1385123 2272097 3366491 8054491 11934073 19576147 56790043 72097517 138026131 489296993 508340141 1802045023 2955998197 4379804791 20841945781 73883845943 179571996431 661350523441 27115371461081