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1444114143 = 33245921751
BaseRepresentation
bin101011000010011…
…0110111011011111
310201122100121012000
41112010312323133
510424143123033
6355144213343
750533524213
oct12604667337
93648317160
101444114143
1168118a36a
1234376a253
131a0255b14
14d9b16943
1586baaa13
hex56136edf

1444114143 has 16 divisors (see below), whose sum is σ = 2140396800. Its totient is φ = 962307000.

The previous prime is 1444114141. The next prime is 1444114153. The reversal of 1444114143 is 3414114441.

It is not a de Polignac number, because 1444114143 - 21 = 1444114141 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444114141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55518 + ... + 77268.

It is an arithmetic number, because the mean of its divisors is an integer number (133774800).

Almost surely, 21444114143 is an apocalyptic number.

1444114143 is a deficient number, since it is larger than the sum of its proper divisors (696282657).

1444114143 is a wasteful number, since it uses less digits than its factorization.

1444114143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24219 (or 24213 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 1444114143 is about 38001.5018519005. The cubic root of 1444114143 is about 1130.3176445359.

Adding to 1444114143 its reverse (3414114441), we get a palindrome (4858228584).

The spelling of 1444114143 in words is "one billion, four hundred forty-four million, one hundred fourteen thousand, one hundred forty-three".

Divisors: 1 3 9 27 2459 7377 21751 22131 65253 66393 195759 587277 53485709 160457127 481371381 1444114143