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1320143414 = 2660071707
BaseRepresentation
bin100111010101111…
…1100101000110110
310102000002020022112
41032223330220312
510200424042124
6334555131022
744500014422
oct11653745066
93360066275
101320143414
11618206317
1230a143a72
1318066b765
14c7485b82
157ad6d90e
hex4eafca36

1320143414 has 4 divisors (see below), whose sum is σ = 1980215124. Its totient is φ = 660071706.

The previous prime is 1320143413. The next prime is 1320143417. The reversal of 1320143414 is 4143410231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4143410231 = 5689772823.

It is a self number, because there is not a number n which added to its sum of digits gives 1320143414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320143413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330035852 + ... + 330035855.

It is an arithmetic number, because the mean of its divisors is an integer number (495053781).

Almost surely, 21320143414 is an apocalyptic number.

1320143414 is a deficient number, since it is larger than the sum of its proper divisors (660071710).

1320143414 is an equidigital number, since it uses as much as digits as its factorization.

1320143414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660071709.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1320143414 is about 36333.7778657821. Note that the first 3 decimals coincide. The cubic root of 1320143414 is about 1097.0010362220.

Adding to 1320143414 its reverse (4143410231), we get a palindrome (5463553645).

The spelling of 1320143414 in words is "one billion, three hundred twenty million, one hundred forty-three thousand, four hundred fourteen".

Divisors: 1 2 660071707 1320143414