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1313440130 = 25131344013
BaseRepresentation
bin100111001001001…
…1000000110000010
310101112110200010202
41032102120012002
510142220041010
6334155325202
744356025342
oct11622300602
93345420122
101313440130
11614448012
12307a50802
1317c162612
14c661cd22
157a4976a5
hex4e498182

1313440130 has 8 divisors (see below), whose sum is σ = 2364192252. Its totient is φ = 525376048.

The previous prime is 1313440103. The next prime is 1313440133. The reversal of 1313440130 is 310443131.

It can be written as a sum of positive squares in 2 ways, for example, as 1260747049 + 52693081 = 35507^2 + 7259^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1313440133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65671997 + ... + 65672016.

Almost surely, 21313440130 is an apocalyptic number.

1313440130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313440130 is a deficient number, since it is larger than the sum of its proper divisors (1050752122).

1313440130 is a wasteful number, since it uses less digits than its factorization.

1313440130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131344020.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1313440130 is about 36241.4145695225. The cubic root of 1313440130 is about 1095.1411395533.

Adding to 1313440130 its reverse (310443131), we get a palindrome (1623883261).

The spelling of 1313440130 in words is "one billion, three hundred thirteen million, four hundred forty thousand, one hundred thirty".

Divisors: 1 2 5 10 131344013 262688026 656720065 1313440130