Search a number
-
+
30120304412 = 22111096280297
BaseRepresentation
bin11100000011010011…
…110101111100011100
32212202010200000000002
4130003103311330130
5443141244220122
621500450353432
72114260235402
oct340323657434
985663600002
1030120304412
1111857143570
125a0728b878
132ac0297743
14165a403472
15bb448e992
hex7034f5f1c

30120304412 has 24 divisors (see below), whose sum is σ = 58029953520. Its totient is φ = 13565439360.

The previous prime is 30120304367. The next prime is 30120304433. The reversal of 30120304412 is 21440302103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3135353 + ... + 3144944.

It is an arithmetic number, because the mean of its divisors is an integer number (2417914730).

Almost surely, 230120304412 is an apocalyptic number.

It is an amenable number.

30120304412 is a deficient number, since it is larger than the sum of its proper divisors (27909649108).

30120304412 is a wasteful number, since it uses less digits than its factorization.

30120304412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6280421 (or 6280419 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30120304412 its reverse (21440302103), we get a palindrome (51560606515).

The spelling of 30120304412 in words is "thirty billion, one hundred twenty million, three hundred four thousand, four hundred twelve".

Divisors: 1 2 4 11 22 44 109 218 436 1199 2398 4796 6280297 12560594 25121188 69083267 138166534 276333068 684552373 1369104746 2738209492 7530076103 15060152206 30120304412