Search a number
-
+
13001443030 = 254243306421
BaseRepresentation
bin11000001101111001…
…00100011011010110
31020120002111201221001
430012330210123112
5203111332134110
65550042013514
7640121304502
oct140674443326
936502451831
1013001443030
115571a80644
12262a1a729a
1312c2788774
148b4a23302
1551163963a
hex306f246d6

13001443030 has 16 divisors (see below), whose sum is σ = 23408189424. Its totient is φ = 5199334560.

The previous prime is 13001443003. The next prime is 13001443033. The reversal of 13001443030 is 3034410031.

13001443030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13001442989 and 13001443007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13001443033) 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, 110781 + ... + 195640.

It is an arithmetic number, because the mean of its divisors is an integer number (1463011839).

Almost surely, 213001443030 is an apocalyptic number.

13001443030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13001443030 is a deficient number, since it is larger than the sum of its proper divisors (10406746394).

13001443030 is a wasteful number, since it uses less digits than its factorization.

13001443030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310671.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13001443030 its reverse (3034410031), we get a palindrome (16035853061).

The spelling of 13001443030 in words is "thirteen billion, one million, four hundred forty-three thousand, thirty".

Divisors: 1 2 5 10 4243 8486 21215 42430 306421 612842 1532105 3064210 1300144303 2600288606 6500721515 13001443030