Base | Representation |
---|---|
bin | 10100111000010111… |
… | …00110111001111111 |
3 | 1001221021000100022000 |
4 | 22130023212321333 |
5 | 140424304120411 |
6 | 5052213553343 |
7 | 544541216364 |
oct | 123413467177 |
9 | 31837010260 |
10 | 11210223231 |
11 | 48329736a9 |
12 | 220a345853 |
13 | 1098650cac |
14 | 784b9446b |
15 | 459267956 |
hex | 29c2e6e7f |
11210223231 has 16 divisors (see below), whose sum is σ = 17481830400. Its totient is φ = 7080140664.
The previous prime is 11210223223. The next prime is 11210223247. The reversal of 11210223231 is 13232201211.
11210223231 is a `hidden beast` number, since 1 + 1 + 210 + 223 + 231 = 666.
It is not a de Polignac number, because 11210223231 - 23 = 11210223223 is a prime.
It is a super-2 number, since 2×112102232312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11210223221) 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, 10925631 + ... + 10926656.
It is an arithmetic number, because the mean of its divisors is an integer number (1092614400).
Almost surely, 211210223231 is an apocalyptic number.
11210223231 is a deficient number, since it is larger than the sum of its proper divisors (6271607169).
11210223231 is a wasteful number, since it uses less digits than its factorization.
11210223231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21852315 (or 21852309 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 11210223231 its reverse (13232201211), we get a palindrome (24442424442).
The spelling of 11210223231 in words is "eleven billion, two hundred ten million, two hundred twenty-three thousand, two hundred thirty-one".
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