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19383261852 = 2234889330389
BaseRepresentation
bin10010000011010101…
…010001101010011100
31212000212000201120010
4102003111101222130
5304144103334402
612523214323220
71254223002333
oct220325215234
955025021503
1019383261852
118247389579
12390b4b9510
131a9b99b516
14d1c422d1a
15786a43a6c
hex483551a9c

19383261852 has 24 divisors (see below), whose sum is σ = 45236998800. Its totient is φ = 6459746176.

The previous prime is 19383261847. The next prime is 19383261893. The reversal of 19383261852 is 25816238391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106527 + ... + 223862.

It is an arithmetic number, because the mean of its divisors is an integer number (1884874950).

Almost surely, 219383261852 is an apocalyptic number.

19383261852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19383261852 is an abundant number, since it is smaller than the sum of its proper divisors (25853736948).

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

19383261852 is a wasteful number, since it uses less digits than its factorization.

19383261852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335285 (or 335283 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The spelling of 19383261852 in words is "nineteen billion, three hundred eighty-three million, two hundred sixty-one thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 4889 9778 14667 19556 29334 58668 330389 660778 991167 1321556 1982334 3964668 1615271821 3230543642 4845815463 6461087284 9691630926 19383261852