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3330144221 = 4576772763
BaseRepresentation
bin1100011001111101…
…1111011111011101
322121002020212001212
43012133133133131
523310004103341
61310240314205
7145344521165
oct30637373735
98532225055
103330144221
111459863708
1278b312965
13410c07b51
142383c55a5
151475595eb
hexc67df7dd

3330144221 has 4 divisors (see below), whose sum is σ = 3330262752. Its totient is φ = 3330025692.

The previous prime is 3330144197. The next prime is 3330144227. The reversal of 3330144221 is 1224410333.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3330144221 - 218 = 3329882077 is a prime.

It is a super-2 number, since 2×33301442212 = 22179721065319393682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3330144227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9386 + ... + 82148.

It is an arithmetic number, because the mean of its divisors is an integer number (832565688).

Almost surely, 23330144221 is an apocalyptic number.

It is an amenable number.

3330144221 is a deficient number, since it is larger than the sum of its proper divisors (118531).

3330144221 is an equidigital number, since it uses as much as digits as its factorization.

3330144221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118530.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 3330144221 is about 57707.4017869458. The cubic root of 3330144221 is about 1493.3250400738.

Adding to 3330144221 its reverse (1224410333), we get a palindrome (4554554554).

The spelling of 3330144221 in words is "three billion, three hundred thirty million, one hundred forty-four thousand, two hundred twenty-one".

Divisors: 1 45767 72763 3330144221