Base | Representation |
---|---|
bin | 1011000111011111111000… |
… | …1000011000100110010010 |
3 | 1121021112211221100001010011 |
4 | 2301313332020120212102 |
5 | 3100232104031133030 |
6 | 41555212352025134 |
7 | 2401054243005604 |
oct | 261677610304622 |
9 | 47245757301104 |
10 | 12223445567890 |
11 | 3992a303a4197 |
12 | 1454b9b2321aa |
13 | 6a88871a544b |
14 | 303891815174 |
15 | 162e5e869b2a |
hex | b1dfe218992 |
12223445567890 has 8 divisors (see below), whose sum is σ = 22002202022220. Its totient is φ = 4889378227152.
The previous prime is 12223445567881. The next prime is 12223445567891. The reversal of 12223445567890 is 9876554432221.
12223445567890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 12223015876449 + 429691441 = 3496143^2 + 20729^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (12223445567891) 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, 611172278385 + ... + 611172278404.
It is a 2-persistent number, because it is pandigital, and so is 2⋅12223445567890 = 24446891135780, but 3⋅12223445567890 = 36670336703670 is not.
Almost surely, 212223445567890 is an apocalyptic number.
12223445567890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12223445567890 is a deficient number, since it is larger than the sum of its proper divisors (9778756454330).
12223445567890 is a wasteful number, since it uses less digits than its factorization.
12223445567890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1222344556796.
The product of its (nonzero) digits is 29030400, while the sum is 58.
The spelling of 12223445567890 in words is "twelve trillion, two hundred twenty-three billion, four hundred forty-five million, five hundred sixty-seven thousand, eight hundred ninety".
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