Search a number
-
+
52487440645332 = 223721131127919349
BaseRepresentation
bin10111110111100101011110…
…10000010011110011010100
320212211202020222120111122110
423323302233100103303110
523334423234301122312
6303344221455031020
714025043465146300
oct1373625720236324
9225752228514573
1052487440645332
11157a6886999310
125a7850180b470
1323397101061b4
14cd6597296d00
156104bad6043c
hex2fbcaf413cd4

52487440645332 has 288 divisors, whose sum is σ = 155989638604800. Its totient is φ = 13582943136000.

The previous prime is 52487440645217. The next prime is 52487440645373. The reversal of 52487440645332 is 23354604478425.

It is a super-2 number, since 2×524874406453322 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5614225794 + ... + 5614235142.

It is an arithmetic number, because the mean of its divisors is an integer number (541630689600).

Almost surely, 252487440645332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52487440645332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77994819302400).

52487440645332 is an abundant number, since it is smaller than the sum of its proper divisors (103502197959468).

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

52487440645332 is a wasteful number, since it uses less digits than its factorization.

52487440645332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12483 (or 12474 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 57.

The spelling of 52487440645332 in words is "fifty-two trillion, four hundred eighty-seven billion, four hundred forty million, six hundred forty-five thousand, three hundred thirty-two".