Search a number
-
+
52135653125 = 5517981377
BaseRepresentation
bin110000100011100001…
…101110111100000101
311222120102102120221202
4300203201232330011
51323233211400000
635541211552245
73523653511463
oct604341567405
9158512376852
1052135653125
1120124242936
12a13015b685
134bbb3619ba
14274821b833
151552100dd5
hexc2386ef05

52135653125 has 24 divisors (see below), whose sum is σ = 68998724424. Its totient is φ = 39255040000.

The previous prime is 52135653109. The next prime is 52135653127.

52135653125 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 12 ways, for example, as 49569014881 + 2566638244 = 222641^2 + 50662^2 .

It is not a de Polignac number, because 52135653125 - 24 = 52135653109 is a prime.

It is a super-3 number, since 3×521356531253 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52135653127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 437564 + ... + 543813.

It is an arithmetic number, because the mean of its divisors is an integer number (2874946851).

Almost surely, 252135653125 is an apocalyptic number.

It is an amenable number.

52135653125 is a deficient number, since it is larger than the sum of its proper divisors (16863071299).

52135653125 is an frugal number, since it uses more digits than its factorization.

52135653125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981419 (or 981399 counting only the distinct ones).

The product of its digits is 135000, while the sum is 38.

The spelling of 52135653125 in words is "fifty-two billion, one hundred thirty-five million, six hundred fifty-three thousand, one hundred twenty-five".

Divisors: 1 5 17 25 85 125 425 625 2125 3125 10625 53125 981377 4906885 16683409 24534425 83417045 122672125 417085225 613360625 2085426125 3066803125 10427130625 52135653125