Search a number
-
+
4354279813 = 13508165921
BaseRepresentation
bin1000000111000100…
…10000100110000101
3102020110100022222201
410003202100212011
532404143423223
62000023154501
7212621524222
oct40342204605
912213308881
104354279813
111934971964
12a162a5a31
13545145940
142d4416949
151a7406ead
hex103890985

4354279813 has 8 divisors (see below), whose sum is σ = 4690218456. Its totient is φ = 4018483200.

The previous prime is 4354279801. The next prime is 4354279841. The reversal of 4354279813 is 3189724534.

It can be written as a sum of positive squares in 4 ways, for example, as 357890724 + 3996389089 = 18918^2 + 63217^2 .

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 4354279813 - 29 = 4354279301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4354279883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33093 + ... + 99013.

It is an arithmetic number, because the mean of its divisors is an integer number (586277307).

Almost surely, 24354279813 is an apocalyptic number.

It is an amenable number.

4354279813 is a deficient number, since it is larger than the sum of its proper divisors (335938643).

4354279813 is a wasteful number, since it uses less digits than its factorization.

4354279813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71015.

The product of its digits is 725760, while the sum is 46.

The square root of 4354279813 is about 65986.9669934905. The cubic root of 4354279813 is about 1632.9470832284.

The spelling of 4354279813 in words is "four billion, three hundred fifty-four million, two hundred seventy-nine thousand, eight hundred thirteen".

Divisors: 1 13 5081 65921 66053 856973 334944601 4354279813