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13554342353 = 122911028757
BaseRepresentation
bin11001001111110011…
…01101100111010001
31021222121212221012202
430213321231213101
5210224402423403
610120552332545
7656614003046
oct144771554721
937877787182
1013554342353
115826089032
1227633a4155
1313801a2826
149282291cd
15544e51688
hex327e6d9d1

13554342353 has 4 divisors (see below), whose sum is σ = 13565372340. Its totient is φ = 13543312368.

The previous prime is 13554342343. The next prime is 13554342367. The reversal of 13554342353 is 35324345531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35324345531 = 127278144453.

It can be written as a sum of positive squares in 2 ways, for example, as 13441387969 + 112954384 = 115937^2 + 10628^2 .

It is a cyclic number.

It is not a de Polignac number, because 13554342353 - 212 = 13554338257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13554342343) 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, 5513150 + ... + 5515607.

It is an arithmetic number, because the mean of its divisors is an integer number (3391343085).

Almost surely, 213554342353 is an apocalyptic number.

It is an amenable number.

13554342353 is a deficient number, since it is larger than the sum of its proper divisors (11029987).

13554342353 is a wasteful number, since it uses less digits than its factorization.

13554342353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11029986.

The product of its digits is 324000, while the sum is 38.

Adding to 13554342353 its reverse (35324345531), we get a palindrome (48878687884).

The spelling of 13554342353 in words is "thirteen billion, five hundred fifty-four million, three hundred forty-two thousand, three hundred fifty-three".

Divisors: 1 1229 11028757 13554342353