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19229103894 = 237112133141229
BaseRepresentation
bin10001111010001001…
…001101011100010110
31211122002221200121010
4101322021031130112
5303340122311034
612500030233050
71250341454250
oct217211153426
954562850533
1019229103894
118178367400
123887955786
131a75a74bb0
14d05b74cd0
157782423e9
hex47a24d716

19229103894 has 384 divisors, whose sum is σ = 55255818240. Its totient is φ = 4333824000.

The previous prime is 19229103847. The next prime is 19229103899. The reversal of 19229103894 is 49830192291.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19229103899) 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 191 ways as a sum of consecutive naturals, for example, 83969772 + ... + 83970000.

It is an arithmetic number, because the mean of its divisors is an integer number (143895360).

Almost surely, 219229103894 is an apocalyptic number.

19229103894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 19229103894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27627909120).

19229103894 is an abundant number, since it is smaller than the sum of its proper divisors (36026714346).

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

19229103894 is a wasteful number, since it uses less digits than its factorization.

19229103894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The spelling of 19229103894 in words is "nineteen billion, two hundred twenty-nine million, one hundred three thousand, eight hundred ninety-four".