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213303403043143 = 730471914720449
BaseRepresentation
bin110000011111111110010001…
…100100010101100101000111
31000222020121100220111010011221
4300133332101210111211013
5210424230332134340033
62033354121450141211
762633443113362260
oct6037762144254507
91028217326433157
10213303403043143
1161a68513233a96
121bb0b766121807
139203569ac5b9a
143a95d22b0b967
15199d79ea3e12d
hexc1ff91915947

213303403043143 has 4 divisors (see below), whose sum is σ = 243775317763600. Its totient is φ = 182831488322688.

The previous prime is 213303403043141. The next prime is 213303403043191. The reversal of 213303403043143 is 341340304303312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213303403043143 - 21 = 213303403043141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213303403043099 and 213303403043108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213303403043141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15235957360218 + ... + 15235957360231.

It is an arithmetic number, because the mean of its divisors is an integer number (60943829440900).

Almost surely, 2213303403043143 is an apocalyptic number.

213303403043143 is a deficient number, since it is larger than the sum of its proper divisors (30471914720457).

213303403043143 is an equidigital number, since it uses as much as digits as its factorization.

213303403043143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30471914720456.

The product of its (nonzero) digits is 93312, while the sum is 34.

Adding to 213303403043143 its reverse (341340304303312), we get a palindrome (554643707346455).

The spelling of 213303403043143 in words is "two hundred thirteen trillion, three hundred three billion, four hundred three million, forty-three thousand, one hundred forty-three".

Divisors: 1 7 30471914720449 213303403043143