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52032425161 = 134213876941
BaseRepresentation
bin110000011101010111…
…111100110011001001
311222022020012001210211
4300131113330303021
51323030300101121
635523043241121
73521261213353
oct603527746311
9158266161724
1052032425161
1120080a47172
12a1016791a1
134ba2b5ab72
14273862a0d3
15154800ece1
hexc1d5fccc9

52032425161 has 4 divisors (see below), whose sum is σ = 52036315524. Its totient is φ = 52028534800.

The previous prime is 52032425089. The next prime is 52032425209. The reversal of 52032425161 is 16152423025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41087290000 + 10945135161 = 202700^2 + 104619^2 .

It is a cyclic number.

It is not a de Polignac number, because 52032425161 - 27 = 52032425033 is a prime.

It is a super-3 number, since 3×520324251613 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52032425461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1925050 + ... + 1951891.

It is an arithmetic number, because the mean of its divisors is an integer number (13009078881).

Almost surely, 252032425161 is an apocalyptic number.

It is an amenable number.

52032425161 is a deficient number, since it is larger than the sum of its proper divisors (3890363).

52032425161 is a wasteful number, since it uses less digits than its factorization.

52032425161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3890362.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 52032425161 its reverse (16152423025), we get a palindrome (68184848186).

The spelling of 52032425161 in words is "fifty-two billion, thirty-two million, four hundred twenty-five thousand, one hundred sixty-one".

Divisors: 1 13421 3876941 52032425161