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213202320213 = 3477919140167
BaseRepresentation
bin1100011010001111011…
…0010011101101010101
3202101022102210001010010
43012203312103231111
511443114243221323
6241535505350433
721255231551331
oct3064366235525
9671272701103
10213202320213
1182467173843
12353a1038419
13171495ab27c
14a4676747c1
15582c53cc93
hex31a3d93b55

213202320213 has 16 divisors (see below), whose sum is σ = 293992980480. Its totient is φ = 137349831216.

The previous prime is 213202320181. The next prime is 213202320239. The reversal of 213202320213 is 312023202312.

It is a happy number.

It is not a de Polignac number, because 213202320213 - 25 = 213202320181 is a prime.

It is a super-3 number, since 3×2132023202133 (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213202320213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213202320283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9558945 + ... + 9581222.

It is an arithmetic number, because the mean of its divisors is an integer number (18374561280).

Almost surely, 2213202320213 is an apocalyptic number.

It is an amenable number.

213202320213 is a deficient number, since it is larger than the sum of its proper divisors (80790660267).

213202320213 is a wasteful number, since it uses less digits than its factorization.

213202320213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19140296.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 213202320213 its reverse (312023202312), we get a palindrome (525225522525).

The spelling of 213202320213 in words is "two hundred thirteen billion, two hundred two million, three hundred twenty thousand, two hundred thirteen".

Divisors: 1 3 47 79 141 237 3713 11139 19140167 57420501 899587849 1512073193 2698763547 4536219579 71067440071 213202320213