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52317540160 = 265163492313
BaseRepresentation
bin110000101110010111…
…100100111101000000
312000001002200102001121
4300232113210331000
51324121242241120
640011230242024
73531322516414
oct605627447500
9160032612047
1052317540160
11202079842a6
12a181056314
134c19c46772
142764446d44
15156307d5aa
hexc2e5e4f40

52317540160 has 28 divisors (see below), whose sum is σ = 124581143268. Its totient is φ = 20927015936.

The previous prime is 52317540109. The next prime is 52317540179. The reversal of 52317540160 is 6104571325.

It can be written as a sum of positive squares in 2 ways, for example, as 9630674496 + 42686865664 = 98136^2 + 206608^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81745837 + ... + 81746476.

Almost surely, 252317540160 is an apocalyptic number.

It is an amenable number.

52317540160 is an abundant number, since it is smaller than the sum of its proper divisors (72263603108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52317540160 is a wasteful number, since it uses less digits than its factorization.

52317540160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163492330 (or 163492320 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 52317540160 in words is "fifty-two billion, three hundred seventeen million, five hundred forty thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 163492313 326984626 653969252 817461565 1307938504 1634923130 2615877008 3269846260 5231754016 6539692520 10463508032 13079385040 26158770080 52317540160