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12998194430 = 251399986111
BaseRepresentation
bin11000001101100000…
…01011010011111110
31020112212101200200112
430012300023103332
5203110014210210
65545444230022
7640051554404
oct140660132376
936485350615
1012998194430
115570161951
12262909b312
1312c1bbbc10
148b4419474
155111e6d05
hex306c0b4fe

12998194430 has 16 divisors (see below), whose sum is σ = 25196500224. Its totient is φ = 4799333280.

The previous prime is 12998194411. The next prime is 12998194439. The reversal of 12998194430 is 3449189921.

12998194430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12998194439) 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, 49992926 + ... + 49993185.

It is an arithmetic number, because the mean of its divisors is an integer number (1574781264).

Almost surely, 212998194430 is an apocalyptic number.

12998194430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12998194430 is a deficient number, since it is larger than the sum of its proper divisors (12198305794).

12998194430 is a wasteful number, since it uses less digits than its factorization.

12998194430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99986131.

The product of its (nonzero) digits is 559872, while the sum is 50.

The spelling of 12998194430 in words is "twelve billion, nine hundred ninety-eight million, one hundred ninety-four thousand, four hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 99986111 199972222 499930555 999861110 1299819443 2599638886 6499097215 12998194430