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128248836315412 = 2246768655693959
BaseRepresentation
bin11101001010010001000010…
…010101001101100100010100
3121211002110122220120222202211
4131022101002111031210110
5113302212104044043122
61132432411350443204
736004446502035631
oct3512210225154424
9554073586528684
10128248836315412
113795603172919a
1212473597963504
135673a75c91c47
1423953c3765188
15ec60a716e877
hex74a44254d914

128248836315412 has 12 divisors (see below), whose sum is σ = 224916053412960. Its totient is φ = 63987106768856.

The previous prime is 128248836315407. The next prime is 128248836315419. The reversal of 128248836315412 is 214513638842821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128248836315419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34327845112 + ... + 34327848847.

It is an arithmetic number, because the mean of its divisors is an integer number (18743004451080).

Almost surely, 2128248836315412 is an apocalyptic number.

It is an amenable number.

128248836315412 is a deficient number, since it is larger than the sum of its proper divisors (96667217097548).

128248836315412 is a wasteful number, since it uses less digits than its factorization.

128248836315412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68655694430 (or 68655694428 counting only the distinct ones).

The product of its digits is 17694720, while the sum is 58.

The spelling of 128248836315412 in words is "one hundred twenty-eight trillion, two hundred forty-eight billion, eight hundred thirty-six million, three hundred fifteen thousand, four hundred twelve".

Divisors: 1 2 4 467 934 1868 68655693959 137311387918 274622775836 32062209078853 64124418157706 128248836315412