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128028686383333 = 2332696427317827
BaseRepresentation
bin11101000111000100000000…
…010111110111100011100101
3121210022102102021122200212201
4131013010000113313203211
5113240110222203231313
61132143322213414501
735652524125350151
oct3507040027674345
9553272367580781
10128028686383333
113788072a84286a
121243899803a431
1356590901c1148
14238889b4d0061
15ec04bec150dd
hex7471005f78e5

128028686383333 has 16 divisors (see below), whose sum is σ = 129076637901120. Its totient is φ = 126985145890176.

The previous prime is 128028686383319. The next prime is 128028686383343. The reversal of 128028686383333 is 333383686820821.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-128028686383333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128028686383343) by changing a digit.

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, 402666166 + ... + 402983992.

It is an arithmetic number, because the mean of its divisors is an integer number (8067289868820).

Almost surely, 2128028686383333 is an apocalyptic number.

It is an amenable number.

128028686383333 is a deficient number, since it is larger than the sum of its proper divisors (1047951517787).

128028686383333 is a wasteful number, since it uses less digits than its factorization.

128028686383333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324756.

The product of its (nonzero) digits is 143327232, while the sum is 64.

The spelling of 128028686383333 in words is "one hundred twenty-eight trillion, twenty-eight billion, six hundred eighty-six million, three hundred eighty-three thousand, three hundred thirty-three".

Divisors: 1 233 269 6427 62677 317827 1497491 1728863 74053691 85495463 402825079 2042674129 19920442879 475943072057 549479340701 128028686383333