Base | Representation |
---|---|
bin | 10011110111001001… |
… | …11101111110111111 |
3 | 1000112010201212100202 |
4 | 21323210331332333 |
5 | 133314241120411 |
6 | 4522033514115 |
7 | 525146621243 |
oct | 117344757677 |
9 | 30463655322 |
10 | 10663223231 |
11 | 4582125491 |
12 | 209711293b |
13 | 100c22115b |
14 | 732286423 |
15 | 42621883b |
hex | 27b93dfbf |
10663223231 has 4 divisors (see below), whose sum is σ = 10672669200. Its totient is φ = 10653777264.
The previous prime is 10663223213. The next prime is 10663223243. The reversal of 10663223231 is 13232236601.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13232236601 = 21503 ⋅615367.
It is a cyclic number.
It is not a de Polignac number, because 10663223231 - 222 = 10659028927 is a prime.
It is a super-2 number, since 2×106632232312 (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 = 10663223194 and 10663223203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10663220231) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4721291 + ... + 4723548.
It is an arithmetic number, because the mean of its divisors is an integer number (2668167300).
Almost surely, 210663223231 is an apocalyptic number.
10663223231 is a deficient number, since it is larger than the sum of its proper divisors (9445969).
10663223231 is an equidigital number, since it uses as much as digits as its factorization.
10663223231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9445968.
The product of its (nonzero) digits is 7776, while the sum is 29.
Adding to 10663223231 its reverse (13232236601), we get a palindrome (23895459832).
The spelling of 10663223231 in words is "ten billion, six hundred sixty-three million, two hundred twenty-three thousand, two hundred thirty-one".
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