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164322205345 = 5374761309811
BaseRepresentation
bin1001100100001001011…
…1011101111010100001
3120201010220012221002101
42121002113131322201
510143012441032340
6203253311050401
714605025461654
oct2310227357241
9521126187071
10164322205345
1163763667aa1
1227a1b210a01
131265986228c
147d4b97b89b
15441b15ac9a
hex26425ddea1

164322205345 has 32 divisors (see below), whose sum is σ = 210216116736. Its totient is φ = 123130886400.

The previous prime is 164322205297. The next prime is 164322205349. The reversal of 164322205345 is 543502223461.

164322205345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164322205345 - 27 = 164322205217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164322205349) 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 31 ways as a sum of consecutive naturals, for example, 375490 + ... + 685300.

It is an arithmetic number, because the mean of its divisors is an integer number (6569253648).

Almost surely, 2164322205345 is an apocalyptic number.

It is an amenable number.

164322205345 is a deficient number, since it is larger than the sum of its proper divisors (45893911391).

164322205345 is a wasteful number, since it uses less digits than its factorization.

164322205345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309961.

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 164322205345 in words is "one hundred sixty-four billion, three hundred twenty-two million, two hundred five thousand, three hundred forty-five".

Divisors: 1 5 37 47 61 185 235 305 1739 2257 2867 8695 11285 14335 106079 309811 530395 1549055 11463007 14561117 18898471 57315035 72805585 94492355 538761329 699243427 888228137 2693806645 3496217135 4441140685 32864441069 164322205345