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6434214505 = 58914458909
BaseRepresentation
bin1011111111000001…
…00101001001101001
3121121102002221222221
411333200211021221
5101134124331010
62542243314041
7315305630605
oct57740451151
917542087887
106434214505
112801a45654
1212b697b921
137b7029724
1445075c505
15279d08dda
hex17f825269

6434214505 has 8 divisors (see below), whose sum is σ = 7807811400. Its totient is φ = 5089535616.

The previous prime is 6434214503. The next prime is 6434214509. The reversal of 6434214505 is 5054124346.

It can be written as a sum of positive squares in 4 ways, for example, as 533055744 + 5901158761 = 23088^2 + 76819^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6434214505 - 21 = 6434214503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6434214503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7229010 + ... + 7229899.

It is an arithmetic number, because the mean of its divisors is an integer number (975976425).

Almost surely, 26434214505 is an apocalyptic number.

It is an amenable number.

6434214505 is a deficient number, since it is larger than the sum of its proper divisors (1373596895).

6434214505 is a wasteful number, since it uses less digits than its factorization.

6434214505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14459003.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 6434214505 is about 80213.5556187357. Note that the first 3 decimals coincide. The cubic root of 6434214505 is about 1859.9381897408.

The spelling of 6434214505 in words is "six billion, four hundred thirty-four million, two hundred fourteen thousand, five hundred five".

Divisors: 1 5 89 445 14458909 72294545 1286842901 6434214505