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133214131421 = 719030590203
BaseRepresentation
bin111110000010000101…
…1100101010011011101
3110201211220220001001022
41330010023211103131
54140310304201141
6141110413053525
712424112301620
oct1740413452335
9421756801038
10133214131421
115154a9a4698
12219991872a5
13c73ca50547
14663a2d1db7
1536ea103b4b
hex1f042e54dd

133214131421 has 4 divisors (see below), whose sum is σ = 152244721632. Its totient is φ = 114183541212.

The previous prime is 133214131403. The next prime is 133214131433. The reversal of 133214131421 is 124131412331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 124131412331 = 991125258741.

It is a cyclic number.

It is not a de Polignac number, because 133214131421 - 226 = 133147022557 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 (133214131321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9515295095 + ... + 9515295108.

It is an arithmetic number, because the mean of its divisors is an integer number (38061180408).

Almost surely, 2133214131421 is an apocalyptic number.

It is an amenable number.

133214131421 is a deficient number, since it is larger than the sum of its proper divisors (19030590211).

133214131421 is an equidigital number, since it uses as much as digits as its factorization.

133214131421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19030590210.

The product of its digits is 1728, while the sum is 26.

Adding to 133214131421 its reverse (124131412331), we get a palindrome (257345543752).

The spelling of 133214131421 in words is "one hundred thirty-three billion, two hundred fourteen million, one hundred thirty-one thousand, four hundred twenty-one".

Divisors: 1 7 19030590203 133214131421