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128005238035136 = 26711210322925939
BaseRepresentation
bin11101000110101110001010…
…101111100001001011000000
3121210020011220010110012012002
4131012232022233201023000
5113234214211414111021
61132124443342123132
735651034061601030
oct3506561257411300
9553204803405162
10128005238035136
1137871797865800
12124343332804a8
135656ac42930b7
1423876b52538c0
15ebea9b39150b
hex746b8abe12c0

128005238035136 has 168 divisors, whose sum is σ = 322185387713280. Its totient is φ = 49387972677120.

The previous prime is 128005238035097. The next prime is 128005238035159. The reversal of 128005238035136 is 631530832500821.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5879546 + ... + 17046393.

It is an arithmetic number, because the mean of its divisors is an integer number (1917770164960).

Almost surely, 2128005238035136 is an apocalyptic number.

128005238035136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

128005238035136 is an abundant number, since it is smaller than the sum of its proper divisors (194180149678144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128005238035136 is a wasteful number, since it uses less digits than its factorization.

128005238035136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22926083 (or 22926062 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 128005238035136 in words is "one hundred twenty-eight trillion, five billion, two hundred thirty-eight million, thirty-five thousand, one hundred thirty-six".