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13513214111 = 37491743833
BaseRepresentation
bin11001001010111001…
…10100100010011111
31021212202111101212112
430211130310202133
5210133340322421
610112523024235
7655604265455
oct144534644237
937782441775
1013513214111
115804947851
12275166b07b
1313748025a7
149229a09d5
1554152a45b
hex32573489f

13513214111 has 8 divisors (see below), whose sum is σ = 13906720464. Its totient is φ = 13121196480.

The previous prime is 13513214087. The next prime is 13513214131. The reversal of 13513214111 is 11141231531.

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 13513214111 - 26 = 13513214047 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 (13513214131) 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, 353750 + ... + 390083.

It is an arithmetic number, because the mean of its divisors is an integer number (1738340058).

Almost surely, 213513214111 is an apocalyptic number.

13513214111 is a deficient number, since it is larger than the sum of its proper divisors (393506353).

13513214111 is an equidigital number, since it uses as much as digits as its factorization.

13513214111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744361.

The product of its digits is 360, while the sum is 23.

Adding to 13513214111 its reverse (11141231531), we get a palindrome (24654445642).

The spelling of 13513214111 in words is "thirteen billion, five hundred thirteen million, two hundred fourteen thousand, one hundred eleven".

Divisors: 1 37 491 18167 743833 27521821 365222003 13513214111