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1313044141 = 2033364577
BaseRepresentation
bin100111001000011…
…0111011010101101
310101111201112221111
41032100313122231
510142114403031
6334143032021
744352456013
oct11620673255
93344645844
101313044141
116141a7552
1230789b611
1317c0542c6
14c65588b3
157a41a1b1
hex4e4376ad

1313044141 has 4 divisors (see below), whose sum is σ = 1313129052. Its totient is φ = 1312959232.

The previous prime is 1313044129. The next prime is 1313044189. The reversal of 1313044141 is 1414403131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1137375625 + 175668516 = 33725^2 + 13254^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313044141 - 29 = 1313043629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313044121) 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, 11956 + ... + 52621.

It is an arithmetic number, because the mean of its divisors is an integer number (328282263).

Almost surely, 21313044141 is an apocalyptic number.

It is an amenable number.

1313044141 is a deficient number, since it is larger than the sum of its proper divisors (84911).

1313044141 is an equidigital number, since it uses as much as digits as its factorization.

1313044141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84910.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1313044141 is about 36235.9509465393. The cubic root of 1313044141 is about 1095.0310704750.

Adding to 1313044141 its reverse (1414403131), we get a palindrome (2727447272).

The spelling of 1313044141 in words is "one billion, three hundred thirteen million, forty-four thousand, one hundred forty-one".

Divisors: 1 20333 64577 1313044141