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164970874205 = 5137240833393
BaseRepresentation
bin1001100110100100000…
…1111100010101011101
3120202211002210201110222
42121221001330111131
510200330020433310
6203441522211125
714630063202554
oct2315101742535
9522732721428
10164970874205
1163a66837565
1227b804b3aa5
131273106b3c7
147dadb92d9b
15445808e055
hex266907c55d

164970874205 has 8 divisors (see below), whose sum is σ = 199410050232. Its totient is φ = 131013365248.

The previous prime is 164970874141. The next prime is 164970874223. The reversal of 164970874205 is 502478079461.

164970874205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12541536121 + 152429338084 = 111989^2 + 390422^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164970874205 - 26 = 164970874141 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 120416012 + ... + 120417381.

It is an arithmetic number, because the mean of its divisors is an integer number (24926256279).

Almost surely, 2164970874205 is an apocalyptic number.

It is an amenable number.

164970874205 is a deficient number, since it is larger than the sum of its proper divisors (34439176027).

164970874205 is a wasteful number, since it uses less digits than its factorization.

164970874205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240833535.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 164970874205 in words is "one hundred sixty-four billion, nine hundred seventy million, eight hundred seventy-four thousand, two hundred five".

Divisors: 1 5 137 685 240833393 1204166965 32994174841 164970874205