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30313121224 = 238345652291
BaseRepresentation
bin11100001110110011…
…011000010111001000
32220020120111002221111
4130032303120113020
5444040124334344
621531535220104
72122121164501
oct341663302710
986216432844
1030313121224
1111945a6a701
125a5b977634
132b21208329
141677c75ba8
15bc637a834
hex70ecd85c8

30313121224 has 16 divisors (see below), whose sum is σ = 57521887920. Its totient is φ = 14973951120.

The previous prime is 30313121219. The next prime is 30313121273. The reversal of 30313121224 is 42212131303.

It is a junction number, because it is equal to n+sod(n) for n = 30313121195 and 30313121204.

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, 22825482 + ... + 22826809.

It is an arithmetic number, because the mean of its divisors is an integer number (3595117995).

Almost surely, 230313121224 is an apocalyptic number.

It is an amenable number.

30313121224 is a deficient number, since it is larger than the sum of its proper divisors (27208766696).

30313121224 is a wasteful number, since it uses less digits than its factorization.

30313121224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45652380 (or 45652376 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 30313121224 its reverse (42212131303), we get a palindrome (72525252527).

The spelling of 30313121224 in words is "thirty billion, three hundred thirteen million, one hundred twenty-one thousand, two hundred twenty-four".

Divisors: 1 2 4 8 83 166 332 664 45652291 91304582 182609164 365218328 3789140153 7578280306 15156560612 30313121224