Base | Representation |
---|---|
bin | 10010111001001010… |
… | …00001010100111111 |
3 | 222011220010001201112 |
4 | 21130211001110333 |
5 | 131233121040411 |
6 | 4354254432235 |
7 | 506233203104 |
oct | 113445012477 |
9 | 28156101645 |
10 | 10143143231 |
11 | 43355a3701 |
12 | 1b70b0267b |
13 | c58558400 |
14 | 6c3184aab |
15 | 3e5735b8b |
hex | 25c94153f |
10143143231 has 12 divisors (see below), whose sum is σ = 11038633200. Its totient is φ = 9315820800.
The previous prime is 10143143207. The next prime is 10143143237. The reversal of 10143143231 is 13234134101.
10143143231 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a de Polignac number, because none of the positive numbers 2k-10143143231 is a prime.
It is a super-2 number, since 2×101431432312 (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 = 10143143197 and 10143143206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10143143237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117170 + ... + 184431.
It is an arithmetic number, because the mean of its divisors is an integer number (919886100).
Almost surely, 210143143231 is an apocalyptic number.
10143143231 is a deficient number, since it is larger than the sum of its proper divisors (895489969).
10143143231 is a wasteful number, since it uses less digits than its factorization.
10143143231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 301826 (or 301813 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 23.
Adding to 10143143231 its reverse (13234134101), we get a palindrome (23377277332).
The spelling of 10143143231 in words is "ten billion, one hundred forty-three million, one hundred forty-three thousand, two hundred thirty-one".
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