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30043479198 = 2323892446139
BaseRepresentation
bin11011111110101110…
…110001110010011110
32212112210002212121210
4123332232301302132
5443012112313243
621445104005250
72112335234235
oct337656616236
985483085553
1030043479198
1111817840657
1259a5600826
132aaa3a9435
141650125b1c
15bac866933
hex6febb1c9e

30043479198 has 32 divisors (see below), whose sum is σ = 63403948800. Its totient is φ = 9471446336.

The previous prime is 30043479187. The next prime is 30043479199. The reversal of 30043479198 is 89197434003.

It is a happy number.

It is a super-2 number, since 2×300434791982 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30043479199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1210788 + ... + 1235351.

It is an arithmetic number, because the mean of its divisors is an integer number (1981373400).

Almost surely, 230043479198 is an apocalyptic number.

30043479198 is an abundant number, since it is smaller than the sum of its proper divisors (33360469602).

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

30043479198 is a wasteful number, since it uses less digits than its factorization.

30043479198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446256.

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 30043479198 in words is "thirty billion, forty-three million, four hundred seventy-nine thousand, one hundred ninety-eight".

Divisors: 1 2 3 6 23 46 69 89 138 178 267 534 2047 4094 6141 12282 2446139 4892278 7338417 14676834 56261197 112522394 168783591 217706371 337567182 435412742 653119113 1306238226 5007246533 10014493066 15021739599 30043479198