Base | Representation |
---|---|
bin | 10100101101111111… |
… | …01110101010111110 |
3 | 1001201012022021201202 |
4 | 22112333232222332 |
5 | 140240021120410 |
6 | 5035425135502 |
7 | 542433560150 |
oct | 122677565276 |
9 | 31635267652 |
10 | 11123223230 |
11 | 4798851279 |
12 | 21a518a592 |
13 | 108360c6c2 |
14 | 7773c8ad0 |
15 | 4517ceca5 |
hex | 296feeabe |
11123223230 has 64 divisors (see below), whose sum is σ = 23570224128. Its totient is φ = 3700166400.
The previous prime is 11123223217. The next prime is 11123223247. The reversal of 11123223230 is 3232232111.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 442274 + ... + 466746.
It is an arithmetic number, because the mean of its divisors is an integer number (368284752).
Almost surely, 211123223230 is an apocalyptic number.
11123223230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
11123223230 is an abundant number, since it is smaller than the sum of its proper divisors (12447000898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11123223230 is a wasteful number, since it uses less digits than its factorization.
11123223230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24681.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 11123223230 its reverse (3232232111), we get a palindrome (14355455341).
The spelling of 11123223230 in words is "eleven billion, one hundred twenty-three million, two hundred twenty-three thousand, two hundred thirty".
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