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164728022755 = 5792231870103
BaseRepresentation
bin1001100101101010001…
…1100010011011100011
3120202012011211120220211
42121122203202123203
510144330333212010
6203401445114551
714621054043052
oct2313243423343
9522164746824
10164728022755
116395174668a
1227b130b8a57
13126c295c71a
147d89818399
154441abd08a
hex265a8e26e3

164728022755 has 16 divisors (see below), whose sum is σ = 201073582080. Its totient is φ = 129530744928.

The previous prime is 164728022731. The next prime is 164728022807. The reversal of 164728022755 is 557220827461.

164728022755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-164728022755 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164728022699 and 164728022708.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 846967 + ... + 1023136.

It is an arithmetic number, because the mean of its divisors is an integer number (12567098880).

Almost surely, 2164728022755 is an apocalyptic number.

164728022755 is a deficient number, since it is larger than the sum of its proper divisors (36345559325).

164728022755 is a wasteful number, since it uses less digits than its factorization.

164728022755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870410.

The product of its (nonzero) digits is 1881600, while the sum is 49.

The spelling of 164728022755 in words is "one hundred sixty-four billion, seven hundred twenty-eight million, twenty-two thousand, seven hundred fifty-five".

Divisors: 1 5 79 223 395 1115 17617 88085 1870103 9350515 147738137 417032969 738690685 2085164845 32945604551 164728022755