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30242212666 = 223669638857
BaseRepresentation
bin11100001010100100…
…111000101100111010
32220001122001120200121
4130022210320230322
5443414001301131
621520523323454
72120300365141
oct341244705472
986048046617
1030242212666
1111909a38a96
125a4008058a
132b0c60c0c3
14166c698758
15bc0020911
hex70a938b3a

30242212666 has 8 divisors (see below), whose sum is σ = 45365306580. Its totient is φ = 15120443808.

The previous prime is 30242212643. The next prime is 30242212673. The reversal of 30242212666 is 66621224203.

It can be written as a sum of positive squares in 2 ways, for example, as 29184597225 + 1057615441 = 170835^2 + 32521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272091 + ... + 366766.

Almost surely, 230242212666 is an apocalyptic number.

30242212666 is a deficient number, since it is larger than the sum of its proper divisors (15123093914).

30242212666 is a wasteful number, since it uses less digits than its factorization.

30242212666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662528.

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

Adding to 30242212666 its reverse (66621224203), we get a palindrome (96863436869).

The spelling of 30242212666 in words is "thirty billion, two hundred forty-two million, two hundred twelve thousand, six hundred sixty-six".

Divisors: 1 2 23669 47338 638857 1277714 15121106333 30242212666