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6406030249 is a prime number
BaseRepresentation
bin1011111011101010…
…00100001110101001
3121112110002001110121
411331311010032221
5101104420431444
62535355243241
7314514234013
oct57565041651
917473061417
106406030249
112798045383
1212a9449521
137b123c058
1444ab031b3
152775dd084
hex17dd443a9

6406030249 has 2 divisors, whose sum is σ = 6406030250. Its totient is φ = 6406030248.

The previous prime is 6406030223. The next prime is 6406030327. The reversal of 6406030249 is 9420306046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5508608400 + 897421849 = 74220^2 + 29957^2 .

It is a cyclic number.

It is not a de Polignac number, because 6406030249 - 25 = 6406030217 is a prime.

It is a super-2 number, since 2×64060302492 = 82074447102206004002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6406030849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3203015124 + 3203015125.

It is an arithmetic number, because the mean of its divisors is an integer number (3203015125).

Almost surely, 26406030249 is an apocalyptic number.

It is an amenable number.

6406030249 is a deficient number, since it is larger than the sum of its proper divisors (1).

6406030249 is an equidigital number, since it uses as much as digits as its factorization.

6406030249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 6406030249 is about 80037.6801825240. The cubic root of 6406030249 is about 1857.2184740715.

The spelling of 6406030249 in words is "six billion, four hundred six million, thirty thousand, two hundred forty-nine".