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19196190348 = 2238917973961
BaseRepresentation
bin10001111000001011…
…101001111010001100
31211112211000111200220
4101320023221322030
5303303211042343
612452452551340
71246461632346
oct217013517214
954484014626
1019196190348
118160826a25
123878922550
131a6bcbca1a
14d01648296
157753e0183
hex4782e9e8c

19196190348 has 24 divisors (see below), whose sum is σ = 45294384240. Its totient is φ = 6326833920.

The previous prime is 19196190347. The next prime is 19196190359. The reversal of 19196190348 is 84309169191.

It is a super-2 number, since 2×191961903482 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19196190348.

It is not an unprimeable number, because it can be changed into a prime (19196190341) 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 7 ways as a sum of consecutive naturals, for example, 8985913 + ... + 8988048.

It is an arithmetic number, because the mean of its divisors is an integer number (1887266010).

Almost surely, 219196190348 is an apocalyptic number.

It is an amenable number.

19196190348 is an abundant number, since it is smaller than the sum of its proper divisors (26098193892).

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

19196190348 is a wasteful number, since it uses less digits than its factorization.

19196190348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17974057 (or 17974055 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 51.

The spelling of 19196190348 in words is "nineteen billion, one hundred ninety-six million, one hundred ninety thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 12 89 178 267 356 534 1068 17973961 35947922 53921883 71895844 107843766 215687532 1599682529 3199365058 4799047587 6398730116 9598095174 19196190348