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1313433213 = 3601728471
BaseRepresentation
bin100111001001001…
…0110011001111101
310101112110022122120
41032102112121331
510142214330323
6334155233153
744355666231
oct11622263175
93345408576
101313433213
116144428a4
12307a487b9
1317c15c421
14c661a5c1
157a4955e3
hex4e49667d

1313433213 has 8 divisors (see below), whose sum is σ = 1754160576. Its totient is φ = 874164000.

The previous prime is 1313433211. The next prime is 1313433221. The reversal of 1313433213 is 3123343131.

It is a happy number.

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

It is not a de Polignac number, because 1313433213 - 21 = 1313433211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313433211) 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 7 ways as a sum of consecutive naturals, for example, 362433 + ... + 366038.

It is an arithmetic number, because the mean of its divisors is an integer number (219270072).

Almost surely, 21313433213 is an apocalyptic number.

It is an amenable number.

1313433213 is a deficient number, since it is larger than the sum of its proper divisors (440727363).

1313433213 is an equidigital number, since it uses as much as digits as its factorization.

1313433213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729075.

The product of its digits is 1944, while the sum is 24.

The square root of 1313433213 is about 36241.3191398989. The cubic root of 1313433213 is about 1095.1392170943.

Adding to 1313433213 its reverse (3123343131), we get a palindrome (4436776344).

The spelling of 1313433213 in words is "one billion, three hundred thirteen million, four hundred thirty-three thousand, two hundred thirteen".

Divisors: 1 3 601 1803 728471 2185413 437811071 1313433213