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214223232661 = 268779725803
BaseRepresentation
bin1100011110000010110…
…0110001111010010101
3202110221120210202201021
43013200230301322111
512002212121421121
6242225055201141
721322436301424
oct3074054617225
9673846722637
10214223232661
1182940480439
1235626b161b1
131727cc5ac89
14a5230a72bb
15588bea0641
hex31e0b31e95

214223232661 has 4 divisors (see below), whose sum is σ = 214302961152. Its totient is φ = 214143504172.

The previous prime is 214223232623. The next prime is 214223232679. The reversal of 214223232661 is 166232322412.

214223232661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 214223232661 - 27 = 214223232533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214223232611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39860215 + ... + 39865588.

It is an arithmetic number, because the mean of its divisors is an integer number (53575740288).

Almost surely, 2214223232661 is an apocalyptic number.

It is an amenable number.

214223232661 is a deficient number, since it is larger than the sum of its proper divisors (79728491).

214223232661 is an equidigital number, since it uses as much as digits as its factorization.

214223232661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79728490.

The product of its digits is 41472, while the sum is 34.

The spelling of 214223232661 in words is "two hundred fourteen billion, two hundred twenty-three million, two hundred thirty-two thousand, six hundred sixty-one".

Divisors: 1 2687 79725803 214223232661