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2030404321 = 11216780201
BaseRepresentation
bin111100100000101…
…1000001011100001
312020111120020010001
41321001120023201
513124240414241
6533250340001
7101213103061
oct17101301341
95214506101
102030404321
11952123900
12487b8a601
1326486139a
141539313a1
15bd3bb431
hex790582e1

2030404321 has 6 divisors (see below), whose sum is σ = 2231766866. Its totient is φ = 1845822000.

The previous prime is 2030404301. The next prime is 2030404361. The reversal of 2030404321 is 1234040302.

It can be written as a sum of positive squares in only one way, i.e., 1655594721 + 374809600 = 40689^2 + 19360^2 .

It is not a de Polignac number, because 2030404321 - 219 = 2029880033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2030404301) 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 5 ways as a sum of consecutive naturals, for example, 8389980 + ... + 8390221.

Almost surely, 22030404321 is an apocalyptic number.

It is an amenable number.

2030404321 is a deficient number, since it is larger than the sum of its proper divisors (201362545).

2030404321 is a wasteful number, since it uses less digits than its factorization.

2030404321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16780223 (or 16780212 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2030404321 is about 45060.0080004431. The cubic root of 2030404321 is about 1266.2734749670.

Adding to 2030404321 its reverse (1234040302), we get a palindrome (3264444623).

It can be divided in two parts, 2030 and 404321, that added together give a triangular number (406351 = T901).

The spelling of 2030404321 in words is "two billion, thirty million, four hundred four thousand, three hundred twenty-one".

Divisors: 1 11 121 16780201 184582211 2030404321