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213213133211 = 1338234290089
BaseRepresentation
bin1100011010010001111…
…1100011100110011011
3202101100012010101202112
43012210133203212123
511443130030230321
6241540533222535
721255422505161
oct3064437434633
9671305111675
10213213133211
1182472289801
12353a4791a4b
131714b8c5bb0
14a468c8b231
15582d476a5b
hex31a47e399b

213213133211 has 8 divisors (see below), whose sum is σ = 229674258240. Its totient is φ = 196760596032.

The previous prime is 213213133201. The next prime is 213213133229. The reversal of 213213133211 is 112331312312.

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

It is not a de Polignac number, because 213213133211 - 226 = 213146024347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213213133201) 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, 2095346 + ... + 2194743.

It is an arithmetic number, because the mean of its divisors is an integer number (28709282280).

Almost surely, 2213213133211 is an apocalyptic number.

213213133211 is a deficient number, since it is larger than the sum of its proper divisors (16461125029).

213213133211 is a wasteful number, since it uses less digits than its factorization.

213213133211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4293925.

The product of its digits is 648, while the sum is 23.

Adding to 213213133211 its reverse (112331312312), we get a palindrome (325544445523).

The spelling of 213213133211 in words is "two hundred thirteen billion, two hundred thirteen million, one hundred thirty-three thousand, two hundred eleven".

Divisors: 1 13 3823 49699 4290089 55771157 16401010247 213213133211