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19050842240 = 27529766941
BaseRepresentation
bin10001101111100001…
…001100100010000000
31211011200112001120122
4101233201030202000
5303004003422430
612430221355412
71243045326053
oct215741144200
954150461518
1019050842240
118096781821
123838108b68
131a47b5c321
14cca210a9a
1576777dee5
hex46f84c880

19050842240 has 32 divisors (see below), whose sum is σ = 45543421260. Its totient is φ = 7620336640.

The previous prime is 19050842231. The next prime is 19050842257. The reversal of 19050842240 is 4224805091.

It can be written as a sum of positive squares in 2 ways, for example, as 18130083904 + 920758336 = 134648^2 + 30344^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 19050842240.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14882831 + ... + 14884110.

Almost surely, 219050842240 is an apocalyptic number.

19050842240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19050842240 is an abundant number, since it is smaller than the sum of its proper divisors (26492579020).

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

19050842240 is an equidigital number, since it uses as much as digits as its factorization.

19050842240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29766960 (or 29766948 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 19050842240 in words is "nineteen billion, fifty million, eight hundred forty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 29766941 59533882 119067764 148834705 238135528 297669410 476271056 595338820 952542112 1190677640 1905084224 2381355280 3810168448 4762710560 9525421120 19050842240