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213120000000223 = 1769701120427123
BaseRepresentation
bin110000011101010011011101…
…111001010000000011011111
31000221121001222020022012122121
4300131103131321100003133
5210413224230000001343
62033133550522323411
762614261163262241
oct6035233571200337
91027531866265577
10213120000000223
11619a7758a78348
121baa0100959567
1391bc18c131794
143a8b0c4d92091
151998b186cbaed
hexc1d4dde500df

213120000000223 has 4 divisors (see below), whose sum is σ = 213120122197048. Its totient is φ = 213119877803400.

The previous prime is 213120000000211. The next prime is 213120000000247. The reversal of 213120000000223 is 322000000021312.

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 213120000000223 - 241 = 210920976744671 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213120000000197 and 213120000000206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213120000000823) 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, 58443861 + ... + 61983262.

It is an arithmetic number, because the mean of its divisors is an integer number (53280030549262).

Almost surely, 2213120000000223 is an apocalyptic number.

213120000000223 is a deficient number, since it is larger than the sum of its proper divisors (122196825).

213120000000223 is a wasteful number, since it uses less digits than its factorization.

213120000000223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122196824.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 213120000000223 its reverse (322000000021312), we get a palindrome (535120000021535).

The spelling of 213120000000223 in words is "two hundred thirteen trillion, one hundred twenty billion, two hundred twenty-three", and thus it is an aban number.

Divisors: 1 1769701 120427123 213120000000223