Base | Representation |
---|---|
bin | 10110111011100101… |
… | …11100011110001111 |
3 | 1011202222102100112020 |
4 | 23131302330132033 |
5 | 200203112213343 |
6 | 5353340341223 |
7 | 614036143236 |
oct | 133562743617 |
9 | 34688370466 |
10 | 12311054223 |
11 | 52482a6286 |
12 | 2476b44813 |
13 | 1212732c90 |
14 | 84b06bb1d |
15 | 4c0c14b83 |
hex | 2ddcbc78f |
12311054223 has 32 divisors (see below), whose sum is σ = 17772888000. Its totient is φ = 7535241216.
The previous prime is 12311054207. The next prime is 12311054227. The reversal of 12311054223 is 32245011321.
It is not a de Polignac number, because 12311054223 - 24 = 12311054207 is a prime.
It is a super-2 number, since 2×123110542232 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12311054193 and 12311054202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12311054227) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6927111 + ... + 6928887.
It is an arithmetic number, because the mean of its divisors is an integer number (555402750).
Almost surely, 212311054223 is an apocalyptic number.
12311054223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
12311054223 is a deficient number, since it is larger than the sum of its proper divisors (5461833777).
12311054223 is a wasteful number, since it uses less digits than its factorization.
12311054223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2651.
The product of its (nonzero) digits is 1440, while the sum is 24.
Adding to 12311054223 its reverse (32245011321), we get a palindrome (44556065544).
The spelling of 12311054223 in words is "twelve billion, three hundred eleven million, fifty-four thousand, two hundred twenty-three".
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