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52512130524 = 2237625144411
BaseRepresentation
bin110000111001111101…
…111000010111011100
312000112122211121212010
4300321331320113130
51330021101134044
640042421111220
73536204513310
oct607175702734
9160478747763
1052512130524
11202a7801987
12a216258510
134c4b3586a9
14278221bb40
1515751b9bb9
hexc39f785dc

52512130524 has 24 divisors (see below), whose sum is σ = 140032348288. Its totient is φ = 15003465840.

The previous prime is 52512130519. The next prime is 52512130529. The reversal of 52512130524 is 42503121525.

It is an interprime number because it is at equal distance from previous prime (52512130519) and next prime (52512130529).

It is a super-2 number, since 2×525121305242 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52512130491 and 52512130500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52512130529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312572122 + ... + 312572289.

Almost surely, 252512130524 is an apocalyptic number.

It is an amenable number.

52512130524 is an abundant number, since it is smaller than the sum of its proper divisors (87520217764).

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

52512130524 is a wasteful number, since it uses less digits than its factorization.

52512130524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625144425 (or 625144423 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 52512130524 in words is "fifty-two billion, five hundred twelve million, one hundred thirty thousand, five hundred twenty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 625144411 1250288822 1875433233 2500577644 3750866466 4376010877 7501732932 8752021754 13128032631 17504043508 26256065262 52512130524