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213220442113 = 7127239843017
BaseRepresentation
bin1100011010010011101…
…1011100000000000001
3202101100200212201200121
43012210323130000001
511443133413121423
6241541354020241
721255541566010
oct3064473340001
9671320781617
10213220442113
1182476421018
12353a7117681
13171502848a3
14a469c30a77
15582de1c45d
hex31a4edc001

213220442113 has 8 divisors (see below), whose sum is σ = 245599250432. Its totient is φ = 181321320096.

The previous prime is 213220442111. The next prime is 213220442143. The reversal of 213220442113 is 311244022312.

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

It is not a de Polignac number, because 213220442113 - 21 = 213220442111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213220442111) 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, 119920620 + ... + 119922397.

It is an arithmetic number, because the mean of its divisors is an integer number (30699906304).

Almost surely, 2213220442113 is an apocalyptic number.

It is an amenable number.

213220442113 is a deficient number, since it is larger than the sum of its proper divisors (32378808319).

213220442113 is a wasteful number, since it uses less digits than its factorization.

213220442113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239843151.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 213220442113 its reverse (311244022312), we get a palindrome (524464464425).

The spelling of 213220442113 in words is "two hundred thirteen billion, two hundred twenty million, four hundred forty-two thousand, one hundred thirteen".

Divisors: 1 7 127 889 239843017 1678901119 30460063159 213220442113