Base | Representation |
---|---|
bin | 11001000100000101… |
… | …00100100001110111 |
3 | 1021201202211200102201 |
4 | 30202002210201313 |
5 | 210024214014033 |
6 | 10103120445331 |
7 | 654311060014 |
oct | 144202444167 |
9 | 37652750381 |
10 | 13456001143 |
11 | 578561a902 |
12 | 2736479847 |
13 | 13659c0070 |
14 | 91914a70b |
15 | 53b4c847d |
hex | 3220a4877 |
13456001143 has 16 divisors (see below), whose sum is σ = 15838454016. Its totient is φ = 11313169920.
The previous prime is 13456001129. The next prime is 13456001171. The reversal of 13456001143 is 34110065431.
It is not a de Polignac number, because 13456001143 - 29 = 13456000631 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 (13456001123) 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, 975196 + ... + 988897.
It is an arithmetic number, because the mean of its divisors is an integer number (989903376).
Almost surely, 213456001143 is an apocalyptic number.
13456001143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
13456001143 is a deficient number, since it is larger than the sum of its proper divisors (2382452873).
13456001143 is a wasteful number, since it uses less digits than its factorization.
13456001143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1964154.
The product of its (nonzero) digits is 4320, while the sum is 28.
Adding to 13456001143 its reverse (34110065431), we get a palindrome (47566066574).
The spelling of 13456001143 in words is "thirteen billion, four hundred fifty-six million, one thousand, one hundred forty-three".
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