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6400450141 is a prime number
BaseRepresentation
bin1011111010111111…
…10001111001011101
3121112001120112222221
411331133301321131
5101102003401031
62535035505341
7314415633331
oct57537617135
917461515887
106400450141
112794983a18
1212a75b8251
137b0037207
1444a08d7c1
15276d89a11
hex17d7f1e5d

6400450141 has 2 divisors, whose sum is σ = 6400450142. Its totient is φ = 6400450140.

The previous prime is 6400450103. The next prime is 6400450153. The reversal of 6400450141 is 1410540046.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4600908900 + 1799541241 = 67830^2 + 42421^2 .

It is a cyclic number.

It is not a de Polignac number, because 6400450141 - 27 = 6400450013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6400450171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3200225070 + 3200225071.

It is an arithmetic number, because the mean of its divisors is an integer number (3200225071).

Almost surely, 26400450141 is an apocalyptic number.

It is an amenable number.

6400450141 is a deficient number, since it is larger than the sum of its proper divisors (1).

6400450141 is an equidigital number, since it uses as much as digits as its factorization.

6400450141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 6400450141 is about 80002.8133317823. The cubic root of 6400450141 is about 1856.6790609546.

Adding to 6400450141 its reverse (1410540046), we get a palindrome (7810990187).

The spelling of 6400450141 in words is "six billion, four hundred million, four hundred fifty thousand, one hundred forty-one".