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127838164484275 = 5277913170586897
BaseRepresentation
bin11101000100010010100100…
…011000100000000010110011
3121202122012122111002102120221
4131010102210120200002303
5113224000030101444100
61131520013024113511
735633000614052410
oct3504224430400263
9552565574072527
10127838164484275
1137807952132143
1212407a86765897
13564411970a72b
14237d586119107
15eba56d90c01a
hex7444a46200b3

127838164484275 has 48 divisors (see below), whose sum is σ = 184858615434240. Its totient is φ = 85890135052800.

The previous prime is 127838164484263. The next prime is 127838164484297. The reversal of 127838164484275 is 572484461838721.

It is not a de Polignac number, because 127838164484275 - 29 = 127838164483763 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33482374 + ... + 37104523.

It is an arithmetic number, because the mean of its divisors is an integer number (3851221154880).

Almost surely, 2127838164484275 is an apocalyptic number.

127838164484275 is a deficient number, since it is larger than the sum of its proper divisors (57020450949965).

127838164484275 is a wasteful number, since it uses less digits than its factorization.

127838164484275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70587124 (or 70587119 counting only the distinct ones).

The product of its digits is 578027520, while the sum is 70.

The spelling of 127838164484275 in words is "one hundred twenty-seven trillion, eight hundred thirty-eight billion, one hundred sixty-four million, four hundred eighty-four thousand, two hundred seventy-five".

Divisors: 1 5 7 25 35 79 131 175 395 553 655 917 1975 2765 3275 4585 10349 13825 22925 51745 72443 258725 362215 1811075 70586897 352934485 494108279 1764672425 2470541395 5576364863 9246883507 12352706975 27881824315 39034554041 46234417535 64728184549 139409121575 195172770205 231172087675 323640922745 730503797053 975863851025 1618204613725 3652518985265 5113526579371 18262594926325 25567632896855 127838164484275