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19228506306 = 237940566469
BaseRepresentation
bin10001111010000110…
…111011100011000010
31211122001211022212020
4101322012323203002
5303334444200211
612500005342310
71250333415102
oct217206734302
954561738766
1019228506306
118177a99429
123887707996
131a758c5ba9
14d05a5b202
15778175306
hex47a1bb8c2

19228506306 has 16 divisors (see below), whose sum is σ = 38943811200. Its totient is φ = 6328369008.

The previous prime is 19228506301. The next prime is 19228506313. The reversal of 19228506306 is 60360582291.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19228506301) 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, 20282761 + ... + 20283708.

It is an arithmetic number, because the mean of its divisors is an integer number (2433988200).

Almost surely, 219228506306 is an apocalyptic number.

19228506306 is an abundant number, since it is smaller than the sum of its proper divisors (19715304894).

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

19228506306 is a wasteful number, since it uses less digits than its factorization.

19228506306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40566553.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 19228506306 in words is "nineteen billion, two hundred twenty-eight million, five hundred six thousand, three hundred six".

Divisors: 1 2 3 6 79 158 237 474 40566469 81132938 121699407 243398814 3204751051 6409502102 9614253153 19228506306