Base | Representation |
---|---|
bin | 11000101010010110… |
… | …01000110100000111 |
3 | 1021011201122221212210 |
4 | 30111023020310013 |
5 | 204103434034421 |
6 | 10025450114503 |
7 | 646050234216 |
oct | 142513106407 |
9 | 37151587783 |
10 | 13240143111 |
11 | 5684796538 |
12 | 269611ba33 |
13 | 1330072a10 |
14 | 8d85db07d |
15 | 52758a576 |
hex | 3152c8d07 |
13240143111 has 32 divisors (see below), whose sum is σ = 19770347520. Its totient is φ = 7825507200.
The previous prime is 13240143109. The next prime is 13240143139. The reversal of 13240143111 is 11134104231.
It is not a de Polignac number, because 13240143111 - 21 = 13240143109 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13240143811) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185376 + ... + 246666.
It is an arithmetic number, because the mean of its divisors is an integer number (617823360).
Almost surely, 213240143111 is an apocalyptic number.
13240143111 is a deficient number, since it is larger than the sum of its proper divisors (6530204409).
13240143111 is a wasteful number, since it uses less digits than its factorization.
13240143111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61527.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 13240143111 its reverse (11134104231), we get a palindrome (24374247342).
The spelling of 13240143111 in words is "thirteen billion, two hundred forty million, one hundred forty-three thousand, one hundred eleven".
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