Search a number
-
+
6345344153 = 54491164497
BaseRepresentation
bin1011110100011011…
…00100010010011001
3121101012212212210102
411322031210102121
5100443402003103
62525350425145
7313146351431
oct57215442231
917335785712
106345344153
112766865a85
1212910621b5
137a17b1a15
14442a272c1
15272101e88
hex17a364499

6345344153 has 4 divisors (see below), whose sum is σ = 6346514100. Its totient is φ = 6344174208.

The previous prime is 6345344147. The next prime is 6345344219. The reversal of 6345344153 is 3514435436.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4102658704 + 2242685449 = 64052^2 + 47357^2 .

It is a cyclic number.

It is not a de Polignac number, because 6345344153 - 232 = 2050376857 is a prime.

It is a super-2 number, since 2×63453441532 = 80526784840022574818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6345344353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576800 + ... + 587697.

It is an arithmetic number, because the mean of its divisors is an integer number (1586628525).

Almost surely, 26345344153 is an apocalyptic number.

It is an amenable number.

6345344153 is a deficient number, since it is larger than the sum of its proper divisors (1169947).

6345344153 is a wasteful number, since it uses less digits than its factorization.

6345344153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169946.

The product of its digits is 259200, while the sum is 38.

The square root of 6345344153 is about 79657.6685134583. The cubic root of 6345344153 is about 1851.3352087827.

Adding to 6345344153 its reverse (3514435436), we get a palindrome (9859779589).

The spelling of 6345344153 in words is "six billion, three hundred forty-five million, three hundred forty-four thousand, one hundred fifty-three".

Divisors: 1 5449 1164497 6345344153