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30343134312 = 2332421432421
BaseRepresentation
bin11100010000100101…
…110111110001101000
32220022122221221011100
4130100211313301220
5444120320244222
621534530401400
72122634246301
oct342045676150
986278857140
1030343134312
11119609a9a07
125a69a30260
132b274b625a
14167bc497a8
15bc8d084ac
hex710977c68

30343134312 has 24 divisors (see below), whose sum is σ = 82179322290. Its totient is φ = 10114378080.

The previous prime is 30343134293. The next prime is 30343134313. The reversal of 30343134312 is 21343134303.

30343134312 is a `hidden beast` number, since 3 + 0 + 34 + 313 + 4 + 312 = 666.

It can be written as a sum of positive squares in only one way, i.e., 27980591076 + 2362543236 = 167274^2 + 48606^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (30343134313) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 210716139 + ... + 210716282.

Almost surely, 230343134312 is an apocalyptic number.

It is an amenable number.

30343134312 is an abundant number, since it is smaller than the sum of its proper divisors (51836187978).

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

30343134312 is a wasteful number, since it uses less digits than its factorization.

30343134312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421432433 (or 421432426 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 30343134312 its reverse (21343134303), we get a palindrome (51686268615).

Subtracting from 30343134312 its reverse (21343134303), we obtain a palindrome (9000000009).

The spelling of 30343134312 in words is "thirty billion, three hundred forty-three million, one hundred thirty-four thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 421432421 842864842 1264297263 1685729684 2528594526 3371459368 3792891789 5057189052 7585783578 10114378104 15171567156 30343134312