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1345220234313 = 31211937000309
BaseRepresentation
bin10011100100110101010…
…111111100110001001001
311202121020201012100222020
4103210311113330301021
5134020002334444223
62505552522115053
7166121545220244
oct23446527746111
94677221170866
101345220234313
1147956083056a
1219886764ba89
1399b13828837
144917518625b
1524ed3d681e3
hex139355fcc49

1345220234313 has 8 divisors (see below), whose sum is σ = 1793775028800. Its totient is φ = 896739464688.

The previous prime is 1345220234291. The next prime is 1345220234333. The reversal of 1345220234313 is 3134320225431.

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

It is not a de Polignac number, because 1345220234313 - 237 = 1207781280841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1345220234333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18463798 + ... + 18536511.

It is an arithmetic number, because the mean of its divisors is an integer number (224221878600).

Almost surely, 21345220234313 is an apocalyptic number.

It is an amenable number.

1345220234313 is a deficient number, since it is larger than the sum of its proper divisors (448554794487).

1345220234313 is a wasteful number, since it uses less digits than its factorization.

1345220234313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37012431.

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 1345220234313 its reverse (3134320225431), we get a palindrome (4479540459744).

The spelling of 1345220234313 in words is "one trillion, three hundred forty-five billion, two hundred twenty million, two hundred thirty-four thousand, three hundred thirteen".

Divisors: 1 3 12119 36357 37000309 111000927 448406744771 1345220234313