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30333333121 = 7131719607843
BaseRepresentation
bin11100010000000000…
…011110111010000001
32220021222111222110021
4130100000132322001
5444110313124441
621533540333441
72122455035350
oct342000367201
986258458407
1030333333121
1111956415153
125a666a4281
132b25464030
14167a817997
15bc801e3d1
hex71001ee81

30333333121 has 16 divisors (see below), whose sum is σ = 39529413504. Its totient is φ = 22588233984.

The previous prime is 30333333109. The next prime is 30333333137. The reversal of 30333333121 is 12133333303.

It is a cyclic number.

It is not a de Polignac number, because 30333333121 - 25 = 30333333089 is a prime.

It is a super-2 number, since 2×303333331212 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30333331121) 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, 9802375 + ... + 9805468.

It is an arithmetic number, because the mean of its divisors is an integer number (2470588344).

Almost surely, 230333333121 is an apocalyptic number.

It is an amenable number.

30333333121 is a deficient number, since it is larger than the sum of its proper divisors (9196080383).

30333333121 is a wasteful number, since it uses less digits than its factorization.

30333333121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19607880.

The product of its (nonzero) digits is 4374, while the sum is 25.

Adding to 30333333121 its reverse (12133333303), we get a palindrome (42466666424).

The spelling of 30333333121 in words is "thirty billion, three hundred thirty-three million, three hundred thirty-three thousand, one hundred twenty-one".

Divisors: 1 7 13 17 91 119 221 1547 19607843 137254901 254901959 333333331 1784313713 2333333317 4333333303 30333333121