Base | Representation |
---|---|
bin | 11000101010101111… |
… | …01110000100001111 |
3 | 1021011221212112022111 |
4 | 30111113232010033 |
5 | 204110310111143 |
6 | 10030044524451 |
7 | 646120252252 |
oct | 142527560417 |
9 | 37157775274 |
10 | 13243441423 |
11 | 5686639613 |
12 | 2697250727 |
13 | 1330959094 |
14 | 8d8c19099 |
15 | 5279dc99d |
hex | 3155ee10f |
13243441423 has 16 divisors (see below), whose sum is σ = 13944349440. Its totient is φ = 12553301376.
The previous prime is 13243441369. The next prime is 13243441451. The reversal of 13243441423 is 32414434231.
It is not a de Polignac number, because 13243441423 - 217 = 13243310351 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 (13243441493) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1873111 + ... + 1880167.
It is an arithmetic number, because the mean of its divisors is an integer number (871521840).
Almost surely, 213243441423 is an apocalyptic number.
13243441423 is a deficient number, since it is larger than the sum of its proper divisors (700908017).
13243441423 is a wasteful number, since it uses less digits than its factorization.
13243441423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7806.
The product of its digits is 27648, while the sum is 31.
Adding to 13243441423 its reverse (32414434231), we get a palindrome (45657875654).
The spelling of 13243441423 in words is "thirteen billion, two hundred forty-three million, four hundred forty-one thousand, four hundred twenty-three".
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