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30305414412 = 223371317181387
BaseRepresentation
bin11100001110010101…
…111110110100001100
32220020000222120012000
4130032111332310030
5444031141230122
621531102112300
72121665525610
oct341625766414
986200876160
1030305414412
1111941686439
125a5927b690
132b1c73a4a0
141676c2b340
15bc58570ac
hex70e57ed0c

30305414412 has 192 divisors, whose sum is σ = 102389898240. Its totient is φ = 7522440192.

The previous prime is 30305414411. The next prime is 30305414417. The reversal of 30305414412 is 21441450303.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (30305414411) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 76383 + ... + 257769.

It is an arithmetic number, because the mean of its divisors is an integer number (533280720).

Almost surely, 230305414412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30305414412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51194949120).

30305414412 is an abundant number, since it is smaller than the sum of its proper divisors (72084483828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30305414412 is a wasteful number, since it uses less digits than its factorization.

30305414412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181437 (or 181429 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 30305414412 its reverse (21441450303), we get a palindrome (51746864715).

The spelling of 30305414412 in words is "thirty billion, three hundred five million, four hundred fourteen thousand, four hundred twelve".