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1443440020212 = 2232130829306473
BaseRepresentation
bin10101000000010011101…
…110101100101011110100
312002222202211001110120100
4111000103232230223310
5142122131121121322
63023035053034100
7206166534506211
oct25002356545364
95088684043510
101443440020212
11507183296443
121b38b9185930
13a6167585048
144dc11a00b08
1527831b56dac
hex15013bacaf4

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".

Divisors: 1 2 3 4 6 9 12 18 36 130829 261658 306473 392487 523316 612946 784974 919419 1177461 1225892 1569948 1838838 2354922 2758257 3677676 4709844 5516514 11033028 40095556117 80191112234 120286668351 160382224468 240573336702 360860005053 481146673404 721720010106 1443440020212