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2052211331 = 2777739003
BaseRepresentation
bin111101001010010…
…0100001010000011
312022000121010201002
41322110210022003
513200331230311
6535350002215
7101566336262
oct17224441203
95260533632
102052211331
11963468825
1249334636b
13269228141
141567aa5d9
15c027793b
hex7a524283

2052211331 has 4 divisors (see below), whose sum is σ = 2052953112. Its totient is φ = 2051469552.

The previous prime is 2052211319. The next prime is 2052211351. The reversal of 2052211331 is 1331122502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1331122502 = 2665561251.

It is a cyclic number.

It is not a de Polignac number, because 2052211331 - 218 = 2051949187 is a prime.

It is a super-2 number, since 2×20522113312 = 8423142694169583122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2052211351) 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, 366725 + ... + 372278.

It is an arithmetic number, because the mean of its divisors is an integer number (513238278).

Almost surely, 22052211331 is an apocalyptic number.

2052211331 is a deficient number, since it is larger than the sum of its proper divisors (741781).

2052211331 is an equidigital number, since it uses as much as digits as its factorization.

2052211331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741780.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2052211331 is about 45301.3391744659. The cubic root of 2052211331 is about 1270.7906976013.

Adding to 2052211331 its reverse (1331122502), we get a palindrome (3383333833).

The spelling of 2052211331 in words is "two billion, fifty-two million, two hundred eleven thousand, three hundred thirty-one".

Divisors: 1 2777 739003 2052211331