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30134340140 = 2257320639959
BaseRepresentation
bin11100000100001001…
…011000101000101100
32212210010002002101212
4130010021120220230
5443203342341030
621502111253552
72114520444032
oct340411305054
985703062355
1030134340140
111186405a843
125a0bb1a2b8
132ac31701c8
14165c218552
15bb5813595
hex704258a2c

30134340140 has 24 divisors (see below), whose sum is σ = 64148995680. Its totient is φ = 11888615808.

The previous prime is 30134340121. The next prime is 30134340209. The reversal of 30134340140 is 4104343103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10318520 + ... + 10321439.

It is an arithmetic number, because the mean of its divisors is an integer number (2672874820).

Almost surely, 230134340140 is an apocalyptic number.

It is an amenable number.

30134340140 is an abundant number, since it is smaller than the sum of its proper divisors (34014655540).

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

30134340140 is a wasteful number, since it uses less digits than its factorization.

30134340140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20640041 (or 20640039 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 30134340140 its reverse (4104343103), we get a palindrome (34238683243).

The spelling of 30134340140 in words is "thirty billion, one hundred thirty-four million, three hundred forty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 20639959 41279918 82559836 103199795 206399590 412799180 1506717007 3013434014 6026868028 7533585035 15067170070 30134340140