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13230220535 = 57378006301
BaseRepresentation
bin11000101001001010…
…10010010011110111
31021011000222211122222
430110211102103313
5204043414024120
610024453312555
7645600006350
oct142445222367
937130884588
1013230220535
11567a129564
12269293575b
13132acaa47c
148d7176d27
1552677a525
hex3149524f7

13230220535 has 8 divisors (see below), whose sum is σ = 18144302496. Its totient is φ = 9072151200.

The previous prime is 13230220519. The next prime is 13230220571. The reversal of 13230220535 is 53502203231.

13230220535 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 not a de Polignac number, because 13230220535 - 24 = 13230220519 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 189003116 + ... + 189003185.

It is an arithmetic number, because the mean of its divisors is an integer number (2268037812).

Almost surely, 213230220535 is an apocalyptic number.

13230220535 is a deficient number, since it is larger than the sum of its proper divisors (4914081961).

13230220535 is an equidigital number, since it uses as much as digits as its factorization.

13230220535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378006313.

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 13230220535 its reverse (53502203231), we get a palindrome (66732423766).

The spelling of 13230220535 in words is "thirteen billion, two hundred thirty million, two hundred twenty thousand, five hundred thirty-five".

Divisors: 1 5 7 35 378006301 1890031505 2646044107 13230220535