Base | Representation |
---|---|
bin | 10110111110001110… |
… | …11101111001011110 |
3 | 1011211112010001020010 |
4 | 23133013131321132 |
5 | 200224300224410 |
6 | 5355451304050 |
7 | 614425365024 |
oct | 133707357136 |
9 | 34745101203 |
10 | 12333211230 |
11 | 525985a15a |
12 | 248244b026 |
13 | 12171c0132 |
14 | 84dd98714 |
15 | 4c2b3ec20 |
hex | 2df1dde5e |
12333211230 has 48 divisors (see below), whose sum is σ = 30339383472. Its totient is φ = 3208627200.
The previous prime is 12333211211. The next prime is 12333211237. The reversal of 12333211230 is 3211233321.
It is a super-2 number, since 2×123332112302 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12333211197 and 12333211206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12333211237) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 71851 + ... + 172710.
It is an arithmetic number, because the mean of its divisors is an integer number (632070489).
Almost surely, 212333211230 is an apocalyptic number.
12333211230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12333211230 is an abundant number, since it is smaller than the sum of its proper divisors (18006172242).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12333211230 is a wasteful number, since it uses less digits than its factorization.
12333211230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 244653 (or 244612 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 12333211230 its reverse (3211233321), we get a palindrome (15544444551).
The spelling of 12333211230 in words is "twelve billion, three hundred thirty-three million, two hundred eleven thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •