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1330053145 = 5266010629
BaseRepresentation
bin100111101000111…
…0000000000011001
310102200201200220121
41033101300000121
510210443200040
6335551353241
744650156651
oct11721600031
93380650817
101330053145
11622864683
12311522821
1318272b1c5
14c8905361
157bb79c4a
hex4f470019

1330053145 has 4 divisors (see below), whose sum is σ = 1596063780. Its totient is φ = 1064042512.

The previous prime is 1330053133. The next prime is 1330053163. The reversal of 1330053145 is 5413500331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 306565081 + 1023488064 = 17509^2 + 31992^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330053145 - 27 = 1330053017 is a prime.

It is a super-5 number, since 5×13300531455 (a number of 47 digits) contains 55555 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133005310 + ... + 133005319.

It is an arithmetic number, because the mean of its divisors is an integer number (399015945).

Almost surely, 21330053145 is an apocalyptic number.

It is an amenable number.

1330053145 is a deficient number, since it is larger than the sum of its proper divisors (266010635).

1330053145 is an equidigital number, since it uses as much as digits as its factorization.

1330053145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266010634.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1330053145 is about 36469.8936795818. The cubic root of 1330053145 is about 1099.7390965247.

Adding to 1330053145 its reverse (5413500331), we get a palindrome (6743553476).

The spelling of 1330053145 in words is "one billion, three hundred thirty million, fifty-three thousand, one hundred forty-five".

Divisors: 1 5 266010629 1330053145