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13132121011 = 29452831759
BaseRepresentation
bin11000011101011110…
…00100001110110011
31020220012101212102021
430032233010032303
5203343310333021
610011030532311
7643266121042
oct141657041663
936805355367
1013132121011
115629815979
122665b07097
131313880a09
148c811c559
1551cd4dc41
hex30ebc43b3

13132121011 has 4 divisors (see below), whose sum is σ = 13584952800. Its totient is φ = 12679289224.

The previous prime is 13132120999. The next prime is 13132121029. The reversal of 13132121011 is 11012123131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11012123131 = 23946075829.

It is a cyclic number.

It is not a de Polignac number, because 13132121011 - 29 = 13132120499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13132121081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226415851 + ... + 226415908.

It is an arithmetic number, because the mean of its divisors is an integer number (3396238200).

Almost surely, 213132121011 is an apocalyptic number.

13132121011 is a deficient number, since it is larger than the sum of its proper divisors (452831789).

13132121011 is an equidigital number, since it uses as much as digits as its factorization.

13132121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452831788.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 13132121011 its reverse (11012123131), we get a palindrome (24144244142).

The spelling of 13132121011 in words is "thirteen billion, one hundred thirty-two million, one hundred twenty-one thousand, eleven".

Divisors: 1 29 452831759 13132121011