Base | Representation |
---|---|
bin | 10110111110010000… |
… | …10000111011000111 |
3 | 1011211112111122220220 |
4 | 23133020100323013 |
5 | 200224323421411 |
6 | 5355455555423 |
7 | 614430225246 |
oct | 133710207307 |
9 | 34745448826 |
10 | 12333420231 |
11 | 5259992190 |
12 | 248252bb73 |
13 | 12172642c2 |
14 | 85001095d |
15 | 4c2b81b06 |
hex | 2df210ec7 |
12333420231 has 32 divisors (see below), whose sum is σ = 18065203200. Its totient is φ = 7422557280.
The previous prime is 12333420221. The next prime is 12333420241. The reversal of 12333420231 is 13202433321.
It is an interprime number because it is at equal distance from previous prime (12333420221) and next prime (12333420241).
It is not a de Polignac number, because 12333420231 - 26 = 12333420167 is a prime.
It is a super-2 number, since 2×123334202312 (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 (12333420221) 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, 7010730 + ... + 7012488.
It is an arithmetic number, because the mean of its divisors is an integer number (564537600).
Almost surely, 212333420231 is an apocalyptic number.
12333420231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
12333420231 is a deficient number, since it is larger than the sum of its proper divisors (5731782969).
12333420231 is a wasteful number, since it uses less digits than its factorization.
12333420231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3139.
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 12333420231 its reverse (13202433321), we get a palindrome (25535853552).
The spelling of 12333420231 in words is "twelve billion, three hundred thirty-three million, four hundred twenty thousand, two hundred thirty-one".
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