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1443041013 = 319151389431
BaseRepresentation
bin101011000000011…
…0000111011110101
310201120100002010110
41112000300323311
510423404303023
6355105213233
750521434441
oct12600607365
93646302113
101443041013
11680617087
12343331219
1319cc6b52b
14d9917821
1586a47a93
hex56030ef5

1443041013 has 32 divisors (see below), whose sum is σ = 2048716800. Its totient is φ = 900936000.

The previous prime is 1443041009. The next prime is 1443041029. The reversal of 1443041013 is 3101403441.

It is not a de Polignac number, because 1443041013 - 22 = 1443041009 is a prime.

It is a super-3 number, since 3×14430410133 (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443041003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3347908 + ... + 3348338.

It is an arithmetic number, because the mean of its divisors is an integer number (64022400).

Almost surely, 21443041013 is an apocalyptic number.

It is an amenable number.

1443041013 is a deficient number, since it is larger than the sum of its proper divisors (605675787).

1443041013 is a wasteful number, since it uses less digits than its factorization.

1443041013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1443041013 is about 37987.3796543010. The cubic root of 1443041013 is about 1130.0375931838.

Adding to 1443041013 its reverse (3101403441), we get a palindrome (4544444454).

The spelling of 1443041013 in words is "one billion, four hundred forty-three million, forty-one thousand, thirteen".

Divisors: 1 3 19 57 151 389 431 453 1167 1293 2869 7391 8189 8607 22173 24567 58739 65081 167659 176217 195243 502977 1116041 1236539 3185521 3348123 3709617 9556563 25316509 75949527 481013671 1443041013