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4052457181 is a prime number
BaseRepresentation
bin1111000110001011…
…1001011011011101
3101110102102011011201
43301202321123131
531244412112211
61510042115501
7202265213653
oct36142713335
911412364151
104052457181
11179a563073
129511abb91
134c775a376
142a62cadd3
1518ab880c1
hexf18b96dd

4052457181 has 2 divisors, whose sum is σ = 4052457182. Its totient is φ = 4052457180.

The previous prime is 4052457139. The next prime is 4052457191. The reversal of 4052457181 is 1817542504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3572452900 + 480004281 = 59770^2 + 21909^2 .

It is a cyclic number.

It is not a de Polignac number, because 4052457181 - 27 = 4052457053 is a prime.

It is a super-3 number, since 3×40524571813 (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 4052457181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4052457191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2026228590 + 2026228591.

It is an arithmetic number, because the mean of its divisors is an integer number (2026228591).

Almost surely, 24052457181 is an apocalyptic number.

It is an amenable number.

4052457181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4052457181 is an equidigital number, since it uses as much as digits as its factorization.

4052457181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 4052457181 is about 63658.9128166669. The cubic root of 4052457181 is about 1594.3101521138.

Adding to 4052457181 its reverse (1817542504), we get a palindrome (5869999685).

The spelling of 4052457181 in words is "four billion, fifty-two million, four hundred fifty-seven thousand, one hundred eighty-one".