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1313442401 = 4778735509
BaseRepresentation
bin100111001001001…
…1000101001100001
310101112110210020212
41032102120221201
510142220124101
6334155343505
744356035065
oct11622305141
93345423225
101313442401
11614449797
12307a51b95
1317c16366b
14c661daa5
157a4981bb
hex4e498a61

1313442401 has 8 divisors (see below), whose sum is σ = 1343130240. Its totient is φ = 1283827248.

The previous prime is 1313442397. The next prime is 1313442407. The reversal of 1313442401 is 1042443131.

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

It is a cyclic number.

It is not a de Polignac number, because 1313442401 - 22 = 1313442397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1313442407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19235 + ... + 54743.

It is an arithmetic number, because the mean of its divisors is an integer number (167891280).

Almost surely, 21313442401 is an apocalyptic number.

It is an amenable number.

1313442401 is a deficient number, since it is larger than the sum of its proper divisors (29687839).

1313442401 is an equidigital number, since it uses as much as digits as its factorization.

1313442401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36343.

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

The square root of 1313442401 is about 36241.4459010675. The cubic root of 1313442401 is about 1095.1417707365.

Adding to 1313442401 its reverse (1042443131), we get a palindrome (2355885532).

The spelling of 1313442401 in words is "one billion, three hundred thirteen million, four hundred forty-two thousand, four hundred one".

Divisors: 1 47 787 35509 36989 1668923 27945583 1313442401