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2231005201 = 4154414761
BaseRepresentation
bin1000010011111010…
…0111000000010001
312202111000210210021
42010332213000101
514032114131301
61005214103441
7106200142225
oct20476470021
95674023707
102231005201
11a45387257
125231aab81
13297299029
1417242c785
15d0ce38a1
hex84fa7011

2231005201 has 4 divisors (see below), whose sum is σ = 2285420004. Its totient is φ = 2176590400.

The previous prime is 2231005181. The next prime is 2231005229. The reversal of 2231005201 is 1025001322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 416160000 + 1814845201 = 20400^2 + 42601^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231005201 - 221 = 2228908049 is a prime.

It is a super-3 number, since 3×22310052013 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231005501) 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 3 ways as a sum of consecutive naturals, for example, 27207340 + ... + 27207421.

It is an arithmetic number, because the mean of its divisors is an integer number (571355001).

Almost surely, 22231005201 is an apocalyptic number.

It is an amenable number.

2231005201 is a deficient number, since it is larger than the sum of its proper divisors (54414803).

2231005201 is an equidigital number, since it uses as much as digits as its factorization.

2231005201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54414802.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2231005201 is about 47233.5177707526. The cubic root of 2231005201 is about 1306.6728303527.

Adding to 2231005201 its reverse (1025001322), we get a palindrome (3256006523).

The spelling of 2231005201 in words is "two billion, two hundred thirty-one million, five thousand, two hundred one".

Divisors: 1 41 54414761 2231005201