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20144212104 = 233839342171
BaseRepresentation
bin10010110000101100…
…000100100010001000
31220222212220000001210
4102300230010202020
5312223404241404
613130520213120
71312122656232
oct226054044210
956885800053
1020144212104
1185a7978785
123aa230a1a0
131b9052b243
14d91505252
157cd755689
hex4b0b04888

20144212104 has 16 divisors (see below), whose sum is σ = 50360530320. Its totient is φ = 6714737360.

The previous prime is 20144212073. The next prime is 20144212139. The reversal of 20144212104 is 40121244102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419671062 + ... + 419671109.

It is an arithmetic number, because the mean of its divisors is an integer number (3147533145).

Almost surely, 220144212104 is an apocalyptic number.

20144212104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20144212104 is an abundant number, since it is smaller than the sum of its proper divisors (30216318216).

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

20144212104 is a wasteful number, since it uses less digits than its factorization.

20144212104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839342180 (or 839342176 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 20144212104 its reverse (40121244102), we get a palindrome (60265456206).

The spelling of 20144212104 in words is "twenty billion, one hundred forty-four million, two hundred twelve thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 24 839342171 1678684342 2518026513 3357368684 5036053026 6714737368 10072106052 20144212104