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127284881366085 = 3531273730927669
BaseRepresentation
bin11100111100001111010010…
…001000111001110001000101
3121200200022112020021212020120
4130330033102020321301011
5113140413414112203320
61130413511154452153
735545013006126112
oct3474172210716105
9550608466255216
10127284881366085
1137614240248383
12123387b5294059
135603bb359b971
14236089a541909
15eaae8a0b8440
hex73c3d2239c45

127284881366085 has 16 divisors (see below), whose sum is σ = 210225352450560. Its totient is φ = 65695422640320.

The previous prime is 127284881366047. The next prime is 127284881366143. The reversal of 127284881366085 is 580663188482721.

It is not a de Polignac number, because 127284881366085 - 226 = 127284814257221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136865463370 + ... + 136865464299.

It is an arithmetic number, because the mean of its divisors is an integer number (13139084528160).

Almost surely, 2127284881366085 is an apocalyptic number.

127284881366085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

127284881366085 is a deficient number, since it is larger than the sum of its proper divisors (82940471084475).

127284881366085 is a wasteful number, since it uses less digits than its factorization.

127284881366085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273730927708.

The product of its (nonzero) digits is 247726080, while the sum is 69.

The spelling of 127284881366085 in words is "one hundred twenty-seven trillion, two hundred eighty-four billion, eight hundred eighty-one million, three hundred sixty-six thousand, eighty-five".

Divisors: 1 3 5 15 31 93 155 465 273730927669 821192783007 1368654638345 4105963915035 8485658757739 25456976273217 42428293788695 127284881366085