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85840064458085 = 5731271361289577
BaseRepresentation
bin10011100001001000110010…
…100011001010110101100101
3102020221020012200110020101202
4103201020302203022311211
542222400423000124320
6502322214201532245
724036511551011000
oct2341106243126545
9366836180406352
1085840064458085
11253956265a4783
129764467aa4085
1338b88b6403582
14172a97764c537
159dcd6c917b75
hex4e12328cad65

85840064458085 has 64 divisors (see below), whose sum is σ = 121161288499200. Its totient is φ = 58355170191360.

The previous prime is 85840064458063. The next prime is 85840064458193. The reversal of 85840064458085 is 58085446004858.

It is not a de Polignac number, because 85840064458085 - 214 = 85840064441701 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 296287817 + ... + 296577393.

It is an arithmetic number, because the mean of its divisors is an integer number (1893145132800).

Almost surely, 285840064458085 is an apocalyptic number.

It is an amenable number.

85840064458085 is a deficient number, since it is larger than the sum of its proper divisors (35321224041115).

85840064458085 is a wasteful number, since it uses less digits than its factorization.

85840064458085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291091 (or 291077 counting only the distinct ones).

The product of its (nonzero) digits is 196608000, while the sum is 65.

The spelling of 85840064458085 in words is "eighty-five trillion, eight hundred forty billion, sixty-four million, four hundred fifty-eight thousand, eighty-five".

Divisors: 1 5 7 35 49 127 245 343 635 889 1361 1715 4445 6223 6805 9527 31115 43561 47635 66689 172847 217805 289577 333445 466823 864235 1209929 1447885 2027039 2334115 6049645 8469503 10135195 14189273 36776279 42347515 59286521 70946365 99324911 183881395 257433953 296432605 394114297 496624555 1287169765 1802037671 1970571485 2758800079 9010188355 12614263697 13794000395 19311600553 50052515719 63071318485 96558002765 135181203871 250262578595 350367610033 675906019355 1751838050165 2452573270231 12262866351155 17168012891617 85840064458085