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1313408395 = 51320206283
BaseRepresentation
bin100111001001001…
…0000010110001011
310101112102001121101
41032102100112023
510142213032040
6334154522231
744355533665
oct11622202613
93345361541
101313408395
11614426192
12307a36377
1317c151040
14c6611535
157a48d09a
hex4e49058b

1313408395 has 8 divisors (see below), whose sum is σ = 1697327856. Its totient is φ = 969901536.

The previous prime is 1313408387. The next prime is 1313408443. The reversal of 1313408395 is 5938043131.

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 1313408395 - 23 = 1313408387 is a prime.

It is a super-2 number, since 2×13134083952 = 3450083224112952050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 10103077 + ... + 10103206.

It is an arithmetic number, because the mean of its divisors is an integer number (212165982).

Almost surely, 21313408395 is an apocalyptic number.

1313408395 is a deficient number, since it is larger than the sum of its proper divisors (383919461).

1313408395 is a wasteful number, since it uses less digits than its factorization.

1313408395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20206301.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 1313408395 is about 36240.9767390450. The cubic root of 1313408395 is about 1095.1323193102.

It can be divided in two parts, 1313 and 408395, that multiplied together give a palindrome (536222635).

The spelling of 1313408395 in words is "one billion, three hundred thirteen million, four hundred eight thousand, three hundred ninety-five".

Divisors: 1 5 13 65 20206283 101031415 262681679 1313408395