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12775824227 = 29643685141
BaseRepresentation
bin10111110010111111…
…11001101101100011
31012222100222010010002
423321133321231203
5202131102333402
65511422130215
7631411466645
oct137137715543
935870863102
1012775824227
11546668a921
12258672096b
131287b0170a
14892a92895
154eb91e602
hex2f97f9b63

12775824227 has 8 divisors (see below), whose sum is σ = 13236943440. Its totient is φ = 12316076640.

The previous prime is 12775824221. The next prime is 12775824251. The reversal of 12775824227 is 72242857721.

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 12775824227 - 26 = 12775824163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12775824221) 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 7 ways as a sum of consecutive naturals, for example, 323924 + ... + 361217.

It is an arithmetic number, because the mean of its divisors is an integer number (1654617930).

Almost surely, 212775824227 is an apocalyptic number.

12775824227 is a deficient number, since it is larger than the sum of its proper divisors (461119213).

12775824227 is an equidigital number, since it uses as much as digits as its factorization.

12775824227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685813.

The product of its digits is 878080, while the sum is 47.

The spelling of 12775824227 in words is "twelve billion, seven hundred seventy-five million, eight hundred twenty-four thousand, two hundred twenty-seven".

Divisors: 1 29 643 18647 685141 19869089 440545663 12775824227