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52513122131525 = 52111825310461667
BaseRepresentation
bin10111111000010101010011…
…11111011001111001000101
320212221012112202211011202202
423330022221333121321011
523340333333231202100
6303404110102244245
714026643056163006
oct1374125177317105
9225835482734682
1052513122131525
1115806765479a70
125a8148a426685
13233bc73898c83
14cd7911d591ad
15610ec07997d5
hex2fc2a9fd9e45

52513122131525 has 24 divisors (see below), whose sum is σ = 71039831013984. Its totient is φ = 38189265566400.

The previous prime is 52513122131513. The next prime is 52513122131531.

52513122131525 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52513122131525 - 210 = 52513122130501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211259 + ... + 10250408.

It is an arithmetic number, because the mean of its divisors is an integer number (2959992958916).

Almost surely, 252513122131525 is an apocalyptic number.

52513122131525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52513122131525 is a deficient number, since it is larger than the sum of its proper divisors (18526708882459).

52513122131525 is a wasteful number, since it uses less digits than its factorization.

52513122131525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10479941 (or 10479936 counting only the distinct ones).

The product of its digits is 90000, while the sum is 38.

It can be divided in two parts, 5251312 and 2131525, that added together give a palindrome (7382837).

The spelling of 52513122131525 in words is "fifty-two trillion, five hundred thirteen billion, one hundred twenty-two million, one hundred thirty-one thousand, five hundred twenty-five".

Divisors: 1 5 11 25 55 275 18253 91265 200783 456325 1003915 5019575 10461667 52308335 115078337 261541675 575391685 2876958425 190956807751 954784038755 2100524885261 4773920193775 10502624426305 52513122131525