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2213021213 = 13179951019
BaseRepresentation
bin1000001111101000…
…0000011000011101
312201020012010101122
42003322000120131
514013013134323
61003332420325
7105561240614
oct20372003035
95636163348
102213021213
11a36213657
125191776a5
13293640410
1416dcaa87b
15ce43eec8
hex83e8061d

2213021213 has 8 divisors (see below), whose sum is σ = 2396570400. Its totient is φ = 2031374448.

The previous prime is 2213021203. The next prime is 2213021243. The reversal of 2213021213 is 3121203122.

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

It is a cyclic number.

It is not a de Polignac number, because 2213021213 - 212 = 2213017117 is a prime.

It is a super-3 number, since 3×22130212133 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2213021191 and 2213021200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213021203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473183 + ... + 477836.

It is an arithmetic number, because the mean of its divisors is an integer number (299571300).

Almost surely, 22213021213 is an apocalyptic number.

It is an amenable number.

2213021213 is a deficient number, since it is larger than the sum of its proper divisors (183549187).

2213021213 is a wasteful number, since it uses less digits than its factorization.

2213021213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951211.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2213021213 is about 47042.7594109869. The cubic root of 2213021213 is about 1303.1523522893.

Adding to 2213021213 its reverse (3121203122), we get a palindrome (5334224335).

The spelling of 2213021213 in words is "two billion, two hundred thirteen million, twenty-one thousand, two hundred thirteen".

Divisors: 1 13 179 2327 951019 12363247 170232401 2213021213