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52549298120 = 23511210857293
BaseRepresentation
bin110000111100001011…
…101010011111001000
312000122020202221012202
4300330023222133020
51330110110014440
640050225455332
73540135443534
oct607413523710
9160566687182
1052549298120
1120316788500
12a2267a1548
134c55c6cc57
142787134bc4
1515785ac615
hexc3c2ea7c8

52549298120 has 48 divisors (see below), whose sum is σ = 129961809180. Its totient is φ = 19108833920.

The previous prime is 52549298099. The next prime is 52549298129. The reversal of 52549298120 is 2189294525.

52549298120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 46019688484 + 6529609636 = 214522^2 + 80806^2 .

It is a super-3 number, since 3×525492981203 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (52549298129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5423807 + ... + 5433486.

Almost surely, 252549298120 is an apocalyptic number.

It is an amenable number.

52549298120 is an abundant number, since it is smaller than the sum of its proper divisors (77412511060).

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

52549298120 is a wasteful number, since it uses less digits than its factorization.

52549298120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10857326 (or 10857311 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 52549298120 in words is "fifty-two billion, five hundred forty-nine million, two hundred ninety-eight thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 121 220 242 440 484 605 968 1210 2420 4840 10857293 21714586 43429172 54286465 86858344 108572930 119430223 217145860 238860446 434291720 477720892 597151115 955441784 1194302230 1313732453 2388604460 2627464906 4777208920 5254929812 6568662265 10509859624 13137324530 26274649060 52549298120