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52104250420 = 2252605212521
BaseRepresentation
bin110000100001101001…
…111100010000110100
311222111020100011112121
4300201221330100310
51323202142003140
635534130525324
73523122551425
oct604151742064
9158436304477
1052104250420
1120108544592
12a121736844
134bb49b8411
142743da564c
15154e49b64a
hexc21a7c434

52104250420 has 12 divisors (see below), whose sum is σ = 109418925924. Its totient is φ = 20841700160.

The previous prime is 52104250417. The next prime is 52104250421. The reversal of 52104250420 is 2405240125.

It can be written as a sum of positive squares in 2 ways, for example, as 15927449616 + 36176800804 = 126204^2 + 190202^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52104250421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1302606241 + ... + 1302606280.

It is an arithmetic number, because the mean of its divisors is an integer number (9118243827).

Almost surely, 252104250420 is an apocalyptic number.

It is an amenable number.

52104250420 is an abundant number, since it is smaller than the sum of its proper divisors (57314675504).

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

52104250420 is a wasteful number, since it uses less digits than its factorization.

52104250420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605212530 (or 2605212528 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 52104250420 its reverse (2405240125), we get a palindrome (54509490545).

The spelling of 52104250420 in words is "fifty-two billion, one hundred four million, two hundred fifty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 2605212521 5210425042 10420850084 13026062605 26052125210 52104250420