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30000386198 = 259340774623
BaseRepresentation
bin11011111100001010…
…011001000010010110
32212102210000112010202
4123330022121002112
5442420044324243
621440524220502
72111303034536
oct337412310226
985383015122
1030000386198
11117a5488202
12599309a732
132aa149bb13
1416485094c6
15ba8ba34b8
hex6fc299096

30000386198 has 16 divisors (see below), whose sum is σ = 45777346560. Its totient is φ = 14741426856.

The previous prime is 30000386197. The next prime is 30000386231. The reversal of 30000386198 is 89168300003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30000386197) 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, 364715 + ... + 439337.

It is an arithmetic number, because the mean of its divisors is an integer number (2861084160).

Almost surely, 230000386198 is an apocalyptic number.

30000386198 is a deficient number, since it is larger than the sum of its proper divisors (15776960362).

30000386198 is a wasteful number, since it uses less digits than its factorization.

30000386198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78091.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 30000386198 in words is "thirty billion, three hundred eighty-six thousand, one hundred ninety-eight".

Divisors: 1 2 59 118 3407 6814 74623 149246 201013 402026 4402757 8805514 254240561 508481122 15000193099 30000386198