Search a number
-
+
1330123442 = 22328915727
BaseRepresentation
bin100111101001000…
…0001001010110010
310102200212021100012
41033102001022302
510211002422232
6335553054522
744650601624
oct11722011262
93380767305
101330123442
1162290247a
12311557442
131827541bb
14c8922c14
157bb909b2
hex4f4812b2

1330123442 has 8 divisors (see below), whose sum is σ = 2081932416. Its totient is φ = 636145972.

The previous prime is 1330123433. The next prime is 1330123477. The reversal of 1330123442 is 2443210331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14457818 + ... + 14457909.

It is an arithmetic number, because the mean of its divisors is an integer number (260241552).

Almost surely, 21330123442 is an apocalyptic number.

1330123442 is a deficient number, since it is larger than the sum of its proper divisors (751808974).

1330123442 is a wasteful number, since it uses less digits than its factorization.

1330123442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28915752.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1330123442 is about 36470.8574343955. The cubic root of 1330123442 is about 1099.7584709378.

Adding to 1330123442 its reverse (2443210331), we get a palindrome (3773333773).

The spelling of 1330123442 in words is "one billion, three hundred thirty million, one hundred twenty-three thousand, four hundred forty-two".

Divisors: 1 2 23 46 28915727 57831454 665061721 1330123442