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3331996909 = 8263403243
BaseRepresentation
bin1100011010011010…
…0011110011101101
322121012201222110221
43012212203303231
523310442400114
61310344131341
7145366335463
oct30646436355
98535658427
103331996909
11145a90965a
1278ba66b51
13411406207
14238748833
151477c3524
hexc69a3ced

3331996909 has 4 divisors (see below), whose sum is σ = 3332408416. Its totient is φ = 3331585404.

The previous prime is 3331996907. The next prime is 3331996933. The reversal of 3331996909 is 9096991333.

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 an emirpimes, since its reverse is a distinct semiprime: 9096991333 = 21143113703.

It is a cyclic number.

It is not a de Polignac number, because 3331996909 - 21 = 3331996907 is a prime.

It is a super-2 number, since 2×33319969092 = 22204406803171108562, 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 (3331996907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193359 + ... + 209884.

It is an arithmetic number, because the mean of its divisors is an integer number (833102104).

Almost surely, 23331996909 is an apocalyptic number.

It is an amenable number.

3331996909 is a deficient number, since it is larger than the sum of its proper divisors (411507).

3331996909 is an equidigital number, since it uses as much as digits as its factorization.

3331996909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411506.

The product of its (nonzero) digits is 1062882, while the sum is 52.

The square root of 3331996909 is about 57723.4519844404. The cubic root of 3331996909 is about 1493.6019202217.

The spelling of 3331996909 in words is "three billion, three hundred thirty-one million, nine hundred ninety-six thousand, nine hundred nine".

Divisors: 1 8263 403243 3331996909