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30333366642 = 23167109327697
BaseRepresentation
bin11100010000000000…
…100111000101110010
32220021222120200102210
4130100000213011302
5444110320213032
621533541152550
72122455235155
oct342000470562
986258520383
1030333366642
1111956438357
125a666bb756
132b25476377
14167a825c9c
15bc80292cc
hex710027172

30333366642 has 32 divisors (see below), whose sum is σ = 61088049792. Its totient is φ = 10041018624.

The previous prime is 30333366629. The next prime is 30333366643. The reversal of 30333366642 is 24666333303.

30333366642 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×303333666422 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30333366642.

It is not an unprimeable number, because it can be changed into a prime (30333366643) 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 15 ways as a sum of consecutive naturals, for example, 1081338 + ... + 1109034.

It is an arithmetic number, because the mean of its divisors is an integer number (1909001556).

Almost surely, 230333366642 is an apocalyptic number.

30333366642 is an abundant number, since it is smaller than the sum of its proper divisors (30754683150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30333366642 is a wasteful number, since it uses less digits than its factorization.

30333366642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28962.

The product of its (nonzero) digits is 419904, while the sum is 39.

Adding to 30333366642 its reverse (24666333303), we get a palindrome (54999699945).

The spelling of 30333366642 in words is "thirty billion, three hundred thirty-three million, three hundred sixty-six thousand, six hundred forty-two".

Divisors: 1 2 3 6 167 334 501 1002 1093 2186 3279 6558 27697 55394 83091 166182 182531 365062 547593 1095186 4625399 9250798 13876197 27752394 30272821 60545642 90818463 181636926 5055561107 10111122214 15166683321 30333366642