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BaseRepresentation
bin101010111110101…
…1010101010100101
310201111200111012222
41111331122222211
510423143211430
6355034322125
750511120626
oct12575325245
93644614188
101442163365
11680077755
12342b89345
1319ca21c06
14d9769a4d
15869229e5
hex55f5aaa5

1442163365 has 16 divisors (see below), whose sum is σ = 1900886400. Its totient is φ = 1045484352.

The previous prime is 1442163361. The next prime is 1442163389. The reversal of 1442163365 is 5633612441.

It is a cyclic number.

It is not a de Polignac number, because 1442163365 - 22 = 1442163361 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442163361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327830 + ... + 332199.

It is an arithmetic number, because the mean of its divisors is an integer number (118805400).

Almost surely, 21442163365 is an apocalyptic number.

It is an amenable number.

1442163365 is a deficient number, since it is larger than the sum of its proper divisors (458723035).

1442163365 is a wasteful number, since it uses less digits than its factorization.

1442163365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660076.

The product of its digits is 51840, while the sum is 35.

The square root of 1442163365 is about 37975.8260607982. The cubic root of 1442163365 is about 1129.8084529269.

The spelling of 1442163365 in words is "one billion, four hundred forty-two million, one hundred sixty-three thousand, three hundred sixty-five".