Base | Representation |
---|---|
bin | 10101000000010011101… |
… | …110101100101011110100 |
3 | 12002222202211001110120100 |
4 | 111000103232230223310 |
5 | 142122131121121322 |
6 | 3023035053034100 |
7 | 206166534506211 |
oct | 25002356545364 |
9 | 5088684043510 |
10 | 1443440020212 |
11 | 507183296443 |
12 | 1b38b9185930 |
13 | a6167585048 |
14 | 4dc11a00b08 |
15 | 27831b56dac |
hex | 15013bacaf4 |
1443440020212 has 36 divisors (see below), whose sum is σ = 3648735401220. Its totient is φ = 481141425792.
The previous prime is 1443440020199. The next prime is 1443440020213. The reversal of 1443440020212 is 2120200443441.
1443440020212 is a `hidden beast` number, since 1 + 4 + 4 + 3 + 440 + 0 + 2 + 0 + 212 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 147244108176 + 1296195912036 = 383724^2 + 1138506^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1443440020213) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4556608 + ... + 4863080.
It is an arithmetic number, because the mean of its divisors is an integer number (101353761145).
Almost surely, 21443440020212 is an apocalyptic number.
1443440020212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1443440020212 is an abundant number, since it is smaller than the sum of its proper divisors (2205295381008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1443440020212 is a wasteful number, since it uses less digits than its factorization.
1443440020212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 437312 (or 437307 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 27.
Adding to 1443440020212 its reverse (2120200443441), we get a palindrome (3563640463653).
The spelling of 1443440020212 in words is "one trillion, four hundred forty-three billion, four hundred forty million, twenty thousand, two hundred twelve".
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