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13142134141 = 31423939811
BaseRepresentation
bin11000011110101010…
…10000110101111101
31020220220020120211221
430033111100311331
5203403341243031
610012025313341
7643450203613
oct141725206575
936826216757
1013142134141
115634434994
122669335851
131315978546
148c95a76b3
1551db7aa11
hex30f550d7d

13142134141 has 4 divisors (see below), whose sum is σ = 13566073984. Its totient is φ = 12718194300.

The previous prime is 13142134139. The next prime is 13142134147. The reversal of 13142134141 is 14143124131.

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: 14143124131 = 27481514651.

It is a cyclic number.

It is not a de Polignac number, because 13142134141 - 21 = 13142134139 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 (13142134147) 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, 211969875 + ... + 211969936.

It is an arithmetic number, because the mean of its divisors is an integer number (3391518496).

Almost surely, 213142134141 is an apocalyptic number.

It is an amenable number.

13142134141 is a deficient number, since it is larger than the sum of its proper divisors (423939843).

13142134141 is an equidigital number, since it uses as much as digits as its factorization.

13142134141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423939842.

The product of its digits is 1152, while the sum is 25.

Adding to 13142134141 its reverse (14143124131), we get a palindrome (27285258272).

The spelling of 13142134141 in words is "thirteen billion, one hundred forty-two million, one hundred thirty-four thousand, one hundred forty-one".

Divisors: 1 31 423939811 13142134141