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52510134352 = 2413298705261
BaseRepresentation
bin110000111001110110…
…010001000001010000
312000112112002012121211
4300321312101001100
51330020043244402
640042310225504
73536151530464
oct607166210120
9160475065554
1052510134352
11202a6669155
12a215655294
134c4ab09c20
142781c5c4a4
151574e234d7
hexc39d91050

52510134352 has 40 divisors (see below), whose sum is σ = 113342511240. Its totient is φ = 23399738880.

The previous prime is 52510134329. The next prime is 52510134379. The reversal of 52510134352 is 25343101525.

It can be written as a sum of positive squares in 4 ways, for example, as 2765077056 + 49745057296 = 52584^2 + 223036^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4346599 + ... + 4358662.

It is an arithmetic number, because the mean of its divisors is an integer number (2833562781).

Almost surely, 252510134352 is an apocalyptic number.

52510134352 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

52510134352 is an abundant number, since it is smaller than the sum of its proper divisors (60832376888).

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

52510134352 is a wasteful number, since it uses less digits than its factorization.

52510134352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8705311 (or 8705305 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 52510134352 its reverse (25343101525), we get a palindrome (77853235877).

The spelling of 52510134352 in words is "fifty-two billion, five hundred ten million, one hundred thirty-four thousand, three hundred fifty-two".

Divisors: 1 2 4 8 13 16 26 29 52 58 104 116 208 232 377 464 754 1508 3016 6032 8705261 17410522 34821044 69642088 113168393 139284176 226336786 252452569 452673572 504905138 905347144 1009810276 1810694288 2019620552 3281883397 4039241104 6563766794 13127533588 26255067176 52510134352