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30684467084 = 2217451242163
BaseRepresentation
bin11100100100111011…
…111100111110001100
32221012110020102200212
4130210323330332030
51000320210421314
622032442341552
72134250444465
oct344473747614
987173212625
1030684467084
1112016644307
125b441ba8b8
132b801263cb
1416b12dbd6c
15be8c7de3e
hex724efcf8c

30684467084 has 12 divisors (see below), whose sum is σ = 56856512664. Its totient is φ = 14439749184.

The previous prime is 30684467083. The next prime is 30684467087. The reversal of 30684467084 is 48076448603.

It is not an unprimeable number, because it can be changed into a prime (30684467083) 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, 225621014 + ... + 225621149.

It is an arithmetic number, because the mean of its divisors is an integer number (4738042722).

Almost surely, 230684467084 is an apocalyptic number.

30684467084 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30684467084 is a deficient number, since it is larger than the sum of its proper divisors (26172045580).

30684467084 is a wasteful number, since it uses less digits than its factorization.

30684467084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451242184 (or 451242182 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 50.

The spelling of 30684467084 in words is "thirty billion, six hundred eighty-four million, four hundred sixty-seven thousand, eighty-four".

Divisors: 1 2 4 17 34 68 451242163 902484326 1804968652 7671116771 15342233542 30684467084