Base | Representation |
---|---|
bin | 10110110010010100… |
… | …00000110100111101 |
3 | 1011120112221201120220 |
4 | 23121022000310331 |
5 | 200023200342133 |
6 | 5341520131553 |
7 | 612102420465 |
oct | 133112006475 |
9 | 34515851526 |
10 | 12233215293 |
11 | 5208370792 |
12 | 2454a66bb9 |
13 | 11cc57b440 |
14 | 8409a8ba5 |
15 | 4b8e8b5b3 |
hex | 2d9280d3d |
12233215293 has 32 divisors (see below), whose sum is σ = 17870939520. Its totient is φ = 7397533440.
The previous prime is 12233215279. The next prime is 12233215361. The reversal of 12233215293 is 39251233221.
It is not a de Polignac number, because 12233215293 - 218 = 12232953149 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12233215213) 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, 3454918 + ... + 3458456.
It is an arithmetic number, because the mean of its divisors is an integer number (558466860).
Almost surely, 212233215293 is an apocalyptic number.
12233215293 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
12233215293 is a deficient number, since it is larger than the sum of its proper divisors (5637724227).
12233215293 is a wasteful number, since it uses less digits than its factorization.
12233215293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5069.
The product of its digits is 19440, while the sum is 33.
The spelling of 12233215293 in words is "twelve billion, two hundred thirty-three million, two hundred fifteen thousand, two hundred ninety-three".
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