Base | Representation |
---|---|
bin | 10110110001000110… |
… | …00101010101100000 |
3 | 1011112211202020202102 |
4 | 23120203011111200 |
5 | 200013042311034 |
6 | 5340513305532 |
7 | 611616605042 |
oct | 133043052540 |
9 | 34484666672 |
10 | 12223010144 |
11 | 5202630484 |
12 | 24515652a8 |
13 | 11ca4173a7 |
14 | 83d4ada92 |
15 | 4b812297e |
hex | 2d88c5560 |
12223010144 has 24 divisors (see below), whose sum is σ = 24088895208. Its totient is φ = 6105195520.
The previous prime is 12223010141. The next prime is 12223010153. The reversal of 12223010144 is 44101032221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12223010141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165617 + ... + 227760.
It is an arithmetic number, because the mean of its divisors is an integer number (1003703967).
Almost surely, 212223010144 is an apocalyptic number.
It is an amenable number.
12223010144 is a deficient number, since it is larger than the sum of its proper divisors (11865885064).
12223010144 is an equidigital number, since it uses as much as digits as its factorization.
12223010144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 394358 (or 394350 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 12223010144 its reverse (44101032221), we get a palindrome (56324042365).
The spelling of 12223010144 in words is "twelve billion, two hundred twenty-three million, ten thousand, one hundred forty-four".
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