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30186001730 = 2527143111211
BaseRepresentation
bin11100000111001110…
…011101010101000010
32212220201021202210002
4130013032131111002
5443310104023410
621511154440002
72116015531643
oct340716352502
985821252702
1030186001730
1111890235975
125a25293002
132b00a8a9b1
1416650256ca
15bba11a7a5
hex70739d542

30186001730 has 16 divisors (see below), whose sum is σ = 54337293504. Its totient is φ = 12073847280.

The previous prime is 30186001717. The next prime is 30186001733. The reversal of 30186001730 is 3710068103.

It is a super-2 number, since 2×301860017302 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30186001693 and 30186001702.

It is not an unprimeable number, because it can be changed into a prime (30186001733) 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 7 ways as a sum of consecutive naturals, for example, 215825 + ... + 327035.

It is an arithmetic number, because the mean of its divisors is an integer number (3396080844).

Almost surely, 230186001730 is an apocalyptic number.

30186001730 is a deficient number, since it is larger than the sum of its proper divisors (24151291774).

30186001730 is a wasteful number, since it uses less digits than its factorization.

30186001730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138361.

The product of its (nonzero) digits is 3024, while the sum is 29.

Adding to 30186001730 its reverse (3710068103), we get a palindrome (33896069833).

The spelling of 30186001730 in words is "thirty billion, one hundred eighty-six million, one thousand, seven hundred thirty".

Divisors: 1 2 5 10 27143 54286 111211 135715 222422 271430 556055 1112110 3018600173 6037200346 15093000865 30186001730