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1330040333 = 4993266381
BaseRepresentation
bin100111101000110…
…1100111000001101
310102200201001100002
41033101230320031
510210442242313
6335551214045
744650104416
oct11721547015
93380631302
101330040333
11622855a96
12311517325
1318272541b
14c890080d
157bb76058
hex4f46ce0d

1330040333 has 4 divisors (see below), whose sum is σ = 1330311708. Its totient is φ = 1329768960.

The previous prime is 1330040317. The next prime is 1330040351. The reversal of 1330040333 is 3330400331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3330400331 = 4133805807.

It can be written as a sum of positive squares in 2 ways, for example, as 983261449 + 346778884 = 31357^2 + 18622^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330040333 - 24 = 1330040317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330040233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128198 + ... + 138183.

It is an arithmetic number, because the mean of its divisors is an integer number (332577927).

Almost surely, 21330040333 is an apocalyptic number.

It is an amenable number.

1330040333 is a deficient number, since it is larger than the sum of its proper divisors (271375).

1330040333 is an equidigital number, since it uses as much as digits as its factorization.

1330040333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271374.

The product of its (nonzero) digits is 972, while the sum is 20.

The square root of 1330040333 is about 36469.7180274265. The cubic root of 1330040333 is about 1099.7355653619.

Adding to 1330040333 its reverse (3330400331), we get a palindrome (4660440664).

The spelling of 1330040333 in words is "one billion, three hundred thirty million, forty thousand, three hundred thirty-three".

Divisors: 1 4993 266381 1330040333