Base | Representation |
---|---|
bin | 11001000011010111… |
… | …10011110101100011 |
3 | 1021201100121112210002 |
4 | 30201223303311203 |
5 | 210021202101111 |
6 | 10102344530215 |
7 | 654206256443 |
oct | 144153636543 |
9 | 37640545702 |
10 | 13450034531 |
11 | 578221501a |
12 | 273448096b |
13 | 13646b131b |
14 | 918436123 |
15 | 53abea63b |
hex | 321af3d63 |
13450034531 has 4 divisors (see below), whose sum is σ = 13473925032. Its totient is φ = 13426144032.
The previous prime is 13450034513. The next prime is 13450034567. The reversal of 13450034531 is 13543005431.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13543005431 = 36109 ⋅375059.
It is a cyclic number.
It is not a de Polignac number, because 13450034531 - 210 = 13450033507 is a prime.
It is a super-2 number, since 2×134500345312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13450034494 and 13450034503.
It is not an unprimeable number, because it can be changed into a prime (13450034501) 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, 11944406 + ... + 11945531.
It is an arithmetic number, because the mean of its divisors is an integer number (3368481258).
Almost surely, 213450034531 is an apocalyptic number.
13450034531 is a deficient number, since it is larger than the sum of its proper divisors (23890501).
13450034531 is an equidigital number, since it uses as much as digits as its factorization.
13450034531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23890500.
The product of its (nonzero) digits is 10800, while the sum is 29.
Adding to 13450034531 its reverse (13543005431), we get a palindrome (26993039962).
The spelling of 13450034531 in words is "thirteen billion, four hundred fifty million, thirty-four thousand, five hundred thirty-one".
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