Base | Representation |
---|---|
bin | 10110110001010100… |
… | …10011110100000010 |
3 | 1011112222022111020220 |
4 | 23120222103310002 |
5 | 200014033420300 |
6 | 5341022043510 |
7 | 611641654563 |
oct | 133052236402 |
9 | 34488274226 |
10 | 12224904450 |
11 | 5203704720 |
12 | 2452119596 |
13 | 11ca92b695 |
14 | 83d84416a |
15 | 4b8398da0 |
hex | 2d8a93d02 |
12224904450 has 96 divisors (see below), whose sum is σ = 33777838080. Its totient is φ = 2900539200.
The previous prime is 12224904449. The next prime is 12224904469. The reversal of 12224904450 is 5440942221.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1270 + ... + 156369.
It is an arithmetic number, because the mean of its divisors is an integer number (351852480).
Almost surely, 212224904450 is an apocalyptic number.
12224904450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 12224904450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16888919040).
12224904450 is an abundant number, since it is smaller than the sum of its proper divisors (21552933630).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12224904450 is a wasteful number, since it uses less digits than its factorization.
12224904450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 157712 (or 157707 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 33.
The spelling of 12224904450 in words is "twelve billion, two hundred twenty-four million, nine hundred four thousand, four hundred fifty".
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