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1443442001301 = 34142912470449
BaseRepresentation
bin10101000000010011110…
…110010000010110010101
312002222202221210010010000
4111000103312100112111
5142122132123020201
63023035203321513
7206166560400036
oct25002366202625
95088687703100
101443442001301
11507184419903
121b38b9980299
13a6167ac99a1
144dc11d98a8d
1527831de8d86
hex15013d90595

1443442001301 has 20 divisors (see below), whose sum is σ = 2157761963500. Its totient is φ = 961621186176.

The previous prime is 1443442001291. The next prime is 1443442001303. The reversal of 1443442001301 is 1031002443441.

1443442001301 is a `hidden beast` number, since 1 + 443 + 4 + 4 + 200 + 13 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 447328218276 + 996113783025 = 668826^2 + 998055^2 .

It is not a de Polignac number, because 1443442001301 - 27 = 1443442001173 is a prime.

It is a super-2 number, since 2×14434420013012 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443442001303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6119476 + ... + 6350973.

It is an arithmetic number, because the mean of its divisors is an integer number (107888098175).

Almost surely, 21443442001301 is an apocalyptic number.

It is an amenable number.

1443442001301 is a deficient number, since it is larger than the sum of its proper divisors (714319962199).

1443442001301 is a wasteful number, since it uses less digits than its factorization.

1443442001301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12471890 (or 12471881 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1443442001301 its reverse (1031002443441), we get a palindrome (2474444444742).

The spelling of 1443442001301 in words is "one trillion, four hundred forty-three billion, four hundred forty-two million, one thousand, three hundred one".

Divisors: 1 3 9 27 81 1429 4287 12861 38583 115749 12470449 37411347 112234041 336702123 1010106369 17820271621 53460814863 160382444589 481147333767 1443442001301