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2201113213 = 13269629429
BaseRepresentation
bin1000001100110010…
…0101001001111101
312200101210010200121
42003030211021331
514001441110323
61002225254541
7105355103455
oct20314451175
95611703617
102201113213
11a2a51aa32
12515194451
13291031270
1416c48ad65
15cd38ba5d
hex8332527d

2201113213 has 8 divisors (see below), whose sum is σ = 2379245400. Its totient is φ = 2024240448.

The previous prime is 2201113207. The next prime is 2201113217. The reversal of 2201113213 is 3123111022.

It can be written as a sum of positive squares in 4 ways, for example, as 119290084 + 2081823129 = 10922^2 + 45627^2 .

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 2201113213 - 213 = 2201105021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201113217) 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, 311218 + ... + 318211.

It is an arithmetic number, because the mean of its divisors is an integer number (297405675).

Almost surely, 22201113213 is an apocalyptic number.

It is an amenable number.

2201113213 is a deficient number, since it is larger than the sum of its proper divisors (178132187).

2201113213 is a wasteful number, since it uses less digits than its factorization.

2201113213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629711.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2201113213 is about 46916.0229878876. The cubic root of 2201113213 is about 1300.8107788469.

Adding to 2201113213 its reverse (3123111022), we get a palindrome (5324224235).

The spelling of 2201113213 in words is "two billion, two hundred one million, one hundred thirteen thousand, two hundred thirteen".

Divisors: 1 13 269 3497 629429 8182577 169316401 2201113213