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1413443121 = 31728519721
BaseRepresentation
bin101010000111111…
…0110111000110001
310122111122100110020
41110033312320301
510343320134441
6352130554053
750012032266
oct12417667061
93574570406
101413443121
11665940812
12335438929
13196aa759c
14d5a1126d
158414ce66
hex543f6e31

1413443121 has 16 divisors (see below), whose sum is σ = 1996354368. Its totient is φ = 886464000.

The previous prime is 1413443107. The next prime is 1413443123. The reversal of 1413443121 is 1213443141.

It is not a de Polignac number, because 1413443121 - 25 = 1413443089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1413443091 and 1413443100.

It is not an unprimeable number, because it can be changed into a prime (1413443123) 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 15 ways as a sum of consecutive naturals, for example, 140541 + ... + 150261.

It is an arithmetic number, because the mean of its divisors is an integer number (124772148).

Almost surely, 21413443121 is an apocalyptic number.

It is an amenable number.

1413443121 is a deficient number, since it is larger than the sum of its proper divisors (582911247).

1413443121 is a wasteful number, since it uses less digits than its factorization.

1413443121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12592.

The product of its digits is 1152, while the sum is 24.

The square root of 1413443121 is about 37595.7859473638. The cubic root of 1413443121 is about 1122.2581780421.

Adding to 1413443121 its reverse (1213443141), we get a palindrome (2626886262).

The spelling of 1413443121 in words is "one billion, four hundred thirteen million, four hundred forty-three thousand, one hundred twenty-one".

Divisors: 1 3 17 51 2851 8553 9721 29163 48467 145401 165257 495771 27714571 83143713 471147707 1413443121