Base | Representation |
---|---|
bin | 10110110001111101… |
… | …00011111001110000 |
3 | 1011120100022012112110 |
4 | 23120332203321300 |
5 | 200021413310412 |
6 | 5341331525320 |
7 | 612035045226 |
oct | 133076437160 |
9 | 34510265473 |
10 | 12230213232 |
11 | 5206700246 |
12 | 2453a59840 |
13 | 11cba69b83 |
14 | 840426b16 |
15 | 4b8a96d3c |
hex | 2d8fa3e70 |
12230213232 has 80 divisors (see below), whose sum is σ = 32282755200. Its totient is φ = 3988782336.
The previous prime is 12230213221. The next prime is 12230213243. The reversal of 12230213232 is 23231203221.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (12230213221) and next prime (12230213243).
It is a junction number, because it is equal to n+sod(n) for n = 12230213199 and 12230213208.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 466423 + ... + 491945.
It is an arithmetic number, because the mean of its divisors is an integer number (403534440).
Almost surely, 212230213232 is an apocalyptic number.
12230213232 is a gapful number since it is divisible by the number (12) 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 12230213232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16141377600).
12230213232 is an abundant number, since it is smaller than the sum of its proper divisors (20052541968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12230213232 is a wasteful number, since it uses less digits than its factorization.
12230213232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25750 (or 25744 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 12230213232 its reverse (23231203221), we get a palindrome (35461416453).
The spelling of 12230213232 in words is "twelve billion, two hundred thirty million, two hundred thirteen thousand, two hundred thirty-two".
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