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2201134212 = 223261142617
BaseRepresentation
bin1000001100110010…
…1010010010000100
312200101211012111100
42003030222102010
514001442243322
61002225540100
7105355221624
oct20314522204
95611735440
102201134212
11a2a534792
125151a4630
1329103a9a4
1416c494884
15cd392dac
hex8332a484

2201134212 has 18 divisors (see below), whose sum is σ = 5563978238. Its totient is φ = 733711392.

The previous prime is 2201134207. The next prime is 2201134213. The reversal of 2201134212 is 2124311022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2068976196 + 132158016 = 45486^2 + 11496^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2201134213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30571273 + ... + 30571344.

Almost surely, 22201134212 is an apocalyptic number.

It is an amenable number.

2201134212 is an abundant number, since it is smaller than the sum of its proper divisors (3362844026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2201134212 is a wasteful number, since it uses less digits than its factorization.

2201134212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61142627 (or 61142622 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2201134212 is about 46916.2467808328. The cubic root of 2201134212 is about 1300.8149154869.

Adding to 2201134212 its reverse (2124311022), we get a palindrome (4325445234).

The spelling of 2201134212 in words is "two billion, two hundred one million, one hundred thirty-four thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 61142617 122285234 183427851 244570468 366855702 550283553 733711404 1100567106 2201134212