| Base | Representation |
|---|---|
| bin | 10110011010000111… |
| … | …00111101110011100 |
| 3 | 1011001101222010211012 |
| 4 | 23031003213232130 |
| 5 | 144114213304040 |
| 6 | 5305425114352 |
| 7 | 604056060230 |
| oct | 131503475634 |
| 9 | 34041863735 |
| 10 | 12030213020 |
| 11 | 5113818111 |
| 12 | 23b8a889b8 |
| 13 | 11994b2757 |
| 14 | 821a445c0 |
| 15 | 4a623c865 |
| hex | 2cd0e7b9c |
12030213020 has 192 divisors, whose sum is σ = 30913892352. Its totient is φ = 3843840000.
The previous prime is 12030213011. The next prime is 12030213023. The reversal of 12030213020 is 2031203021.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a junction number, because it is equal to n+sod(n) for n = 12030212986 and 12030213004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12030213023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23090360 + ... + 23090880.
It is an arithmetic number, because the mean of its divisors is an integer number (161009856).
Almost surely, 212030213020 is an apocalyptic number.
12030213020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12030213020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15456946176).
12030213020 is an abundant number, since it is smaller than the sum of its proper divisors (18883679332).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12030213020 is a wasteful number, since it uses less digits than its factorization.
12030213020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 732 (or 730 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 12030213020 its reverse (2031203021), we get a palindrome (14061416041).
Subtracting from 12030213020 its reverse (2031203021), we obtain a palindrome (9999009999).
The spelling of 12030213020 in words is "twelve billion, thirty million, two hundred thirteen thousand, twenty".
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