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8353053727225 = 52421213732
BaseRepresentation
bin111100110001101100011…
…0011001101100111111001
31002120112200200021000110121
41321203120303031213321
52043324023223232400
625433201230413241
71521326313120304
oct171433063154771
932515620230417
108353053727225
112730568079a99
12b2aa64961221
134878c7038a6c
1420c40b901b3b
15e743712221a
hex798d8ccd9f9

8353053727225 has 27 divisors (see below), whose sum is σ = 10390015257159. Its totient is φ = 6661714718400.

The previous prime is 8353053727219. The next prime is 8353053727259. The reversal of 8353053727225 is 5227273503538.

The square root of 8353053727225 is 2890165.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 5655326316649 + 2697727410576 = 2378093^2 + 1642476^2 .

It is not a de Polignac number, because 8353053727225 - 215 = 8353053694457 is a prime.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6083796639 + ... + 6083798011.

Almost surely, 28353053727225 is an apocalyptic number.

8353053727225 is the 2890165-th square number.

8353053727225 is the 1445083-rd centered octagonal number.

It is an amenable number.

8353053727225 is a deficient number, since it is larger than the sum of its proper divisors (2036961529934).

8353053727225 is an frugal number, since it uses more digits than its factorization.

8353053727225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3598 (or 1799 counting only the distinct ones).

The product of its (nonzero) digits is 10584000, while the sum is 52.

The spelling of 8353053727225 in words is "eight trillion, three hundred fifty-three billion, fifty-three million, seven hundred twenty-seven thousand, two hundred twenty-five".

Divisors: 1 5 25 421 1373 2105 6865 10525 34325 177241 578033 886205 1885129 2890165 4431025 9425645 14450825 47128225 243351893 793639309 1216759465 3968196545 6083797325 19840982725 334122149089 1670610745445 8353053727225