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52111280321 is a prime number
BaseRepresentation
bin110000100010000100…
…110000100011000001
311222111201120022202022
4300202010300203001
51323210441432241
635534541331225
73523236400652
oct604204604301
9158451508668
1052111280321
1120111506221
12a123b66b15
134bb62aa119
142744cb5529
15154edd954b
hexc221308c1

52111280321 has 2 divisors, whose sum is σ = 52111280322. Its totient is φ = 52111280320.

The previous prime is 52111280281. The next prime is 52111280359. The reversal of 52111280321 is 12308211125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50023795600 + 2087484721 = 223660^2 + 45689^2 .

It is a cyclic number.

It is not a de Polignac number, because 52111280321 - 218 = 52111018177 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (52111220321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26055640160 + 26055640161.

It is an arithmetic number, because the mean of its divisors is an integer number (26055640161).

Almost surely, 252111280321 is an apocalyptic number.

It is an amenable number.

52111280321 is a deficient number, since it is larger than the sum of its proper divisors (1).

52111280321 is an equidigital number, since it uses as much as digits as its factorization.

52111280321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 26.

Adding to 52111280321 its reverse (12308211125), we get a palindrome (64419491446).

The spelling of 52111280321 in words is "fifty-two billion, one hundred eleven million, two hundred eighty thousand, three hundred twenty-one".