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1331442412 = 221093053767
BaseRepresentation
bin100111101011100…
…0011001011101100
310102210100021121221
41033113003023230
510211322124122
6340041233124
744665034206
oct11727031354
93383307557
101331442412
11623623433
12311a927a4
13182ac6661
14c8b87776
157bd516c7
hex4f5c32ec

1331442412 has 12 divisors (see below), whose sum is σ = 2351401360. Its totient is φ = 659613456.

The previous prime is 1331442353. The next prime is 1331442419. The reversal of 1331442412 is 2142441331.

It is not an unprimeable number, because it can be changed into a prime (1331442419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1526448 + ... + 1527319.

Almost surely, 21331442412 is an apocalyptic number.

It is an amenable number.

1331442412 is a deficient number, since it is larger than the sum of its proper divisors (1019958948).

1331442412 is a wasteful number, since it uses less digits than its factorization.

1331442412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053880 (or 3053878 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 1331442412 is about 36488.9354736474. The cubic root of 1331442412 is about 1100.1218630830.

Adding to 1331442412 its reverse (2142441331), we get a palindrome (3473883743).

The spelling of 1331442412 in words is "one billion, three hundred thirty-one million, four hundred forty-two thousand, four hundred twelve".

Divisors: 1 2 4 109 218 436 3053767 6107534 12215068 332860603 665721206 1331442412