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30121124204 = 2214950538799
BaseRepresentation
bin11100000011010110…
…111110000101101100
32212202012012122112202
4130003112332011230
5443142001433304
621500520121032
72114300221433
oct340326760554
985665178482
1030121124204
1111857653486
125a07606178
132ac04c3922
14165a57811a
15bb45a281e
hex7035be16c

30121124204 has 12 divisors (see below), whose sum is σ = 53065740000. Its totient is φ = 14959484208.

The previous prime is 30121124191. The next prime is 30121124233. The reversal of 30121124204 is 40242112103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25268804 + ... + 25269995.

It is an arithmetic number, because the mean of its divisors is an integer number (4422145000).

Almost surely, 230121124204 is an apocalyptic number.

It is an amenable number.

30121124204 is a deficient number, since it is larger than the sum of its proper divisors (22944615796).

30121124204 is a wasteful number, since it uses less digits than its factorization.

30121124204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50538952 (or 50538950 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 30121124204 its reverse (40242112103), we get a palindrome (70363236307).

The spelling of 30121124204 in words is "thirty billion, one hundred twenty-one million, one hundred twenty-four thousand, two hundred four".

Divisors: 1 2 4 149 298 596 50538799 101077598 202155196 7530281051 15060562102 30121124204