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13530212211 = 37957089503
BaseRepresentation
bin11001001100111011…
…01010011101110011
31021220221110222212210
430212131222131303
5210202213242321
610114331223203
7656201622555
oct144635523563
937827428783
1013530212211
1158134a776a
1227572a7b03
1313781a4539
14924d474d5
15542c86b76
hex32676a773

13530212211 has 8 divisors (see below), whose sum is σ = 18268641280. Its totient is φ = 8905962312.

The previous prime is 13530212209. The next prime is 13530212237. The reversal of 13530212211 is 11221203531.

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

It is not a de Polignac number, because 13530212211 - 21 = 13530212209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13530212251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28544515 + ... + 28544988.

It is an arithmetic number, because the mean of its divisors is an integer number (2283580160).

Almost surely, 213530212211 is an apocalyptic number.

13530212211 is a deficient number, since it is larger than the sum of its proper divisors (4738429069).

13530212211 is an equidigital number, since it uses as much as digits as its factorization.

13530212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57089585.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 13530212211 its reverse (11221203531), we get a palindrome (24751415742).

The spelling of 13530212211 in words is "thirteen billion, five hundred thirty million, two hundred twelve thousand, two hundred eleven".

Divisors: 1 3 79 237 57089503 171268509 4510070737 13530212211