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13005436442 = 26511999859
BaseRepresentation
bin11000001110010111…
…10011011000011010
31020120101000121212012
430013023303120122
5203113342431232
65550303345522
7640200246215
oct140713633032
936511017765
1013005436442
115574258989
12262b5b22a2
1312c355632b
148b538277c
15511b779b2
hex3072f361a

13005436442 has 8 divisors (see below), whose sum is σ = 19508649600. Its totient is φ = 6502553244.

The previous prime is 13005436421. The next prime is 13005436459. The reversal of 13005436442 is 24463450031.

13005436442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 13005436399 and 13005436408.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 80309 + ... + 180167.

It is an arithmetic number, because the mean of its divisors is an integer number (2438581200).

Almost surely, 213005436442 is an apocalyptic number.

13005436442 is a deficient number, since it is larger than the sum of its proper divisors (6503213158).

13005436442 is an equidigital number, since it uses as much as digits as its factorization.

13005436442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164980.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 13005436442 its reverse (24463450031), we get a palindrome (37468886473).

The spelling of 13005436442 in words is "thirteen billion, five million, four hundred thirty-six thousand, four hundred forty-two".

Divisors: 1 2 65119 99859 130238 199718 6502718221 13005436442