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53032312181 is a prime number
BaseRepresentation
bin110001011000111110…
…001101110101110101
312001212220122120221102
4301120332031311311
51332102232442211
640210202255445
73555122134022
oct613076156565
9161786576842
1053032312181
11205443a3082
12a3404b7585
1350020587a4
1427d1348549
1515a5bbca3b
hexc58f8dd75

53032312181 has 2 divisors, whose sum is σ = 53032312182. Its totient is φ = 53032312180.

The previous prime is 53032312163. The next prime is 53032312199. The reversal of 53032312181 is 18121323035.

It is a balanced prime because it is at equal distance from previous prime (53032312163) and next prime (53032312199).

It can be written as a sum of positive squares in only one way, i.e., 26799327025 + 26232985156 = 163705^2 + 161966^2 .

It is a cyclic number.

It is not a de Polignac number, because 53032312181 - 218 = 53032050037 is a prime.

It is a super-2 number, since 2×530323121812 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53032312111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26516156090 + 26516156091.

It is an arithmetic number, because the mean of its divisors is an integer number (26516156091).

Almost surely, 253032312181 is an apocalyptic number.

It is an amenable number.

53032312181 is a deficient number, since it is larger than the sum of its proper divisors (1).

53032312181 is an equidigital number, since it uses as much as digits as its factorization.

53032312181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 53032312181 in words is "fifty-three billion, thirty-two million, three hundred twelve thousand, one hundred eighty-one".