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19242910818924 = 22313149827865721
BaseRepresentation
bin1000110000000010101101…
…10111010010001001101100
32112010121022112121020001220
410120001112313102021230
510010233440132201144
6104532023213303340
74024153161121122
oct430012667221154
975117275536056
1019242910818924
11614996654a761
1221a94a3a94b50
13a977a2477ba0
144a750ccd3912
15235843da5919
hex118056dd226c

19242910818924 has 48 divisors (see below), whose sum is σ = 48678504453600. Its totient is φ = 5881158074880.

The previous prime is 19242910818913. The next prime is 19242910818931. The reversal of 19242910818924 is 42981801924291.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413909617 + ... + 413956104.

It is an arithmetic number, because the mean of its divisors is an integer number (1014135509450).

Almost surely, 219242910818924 is an apocalyptic number.

It is an amenable number.

19242910818924 is an abundant number, since it is smaller than the sum of its proper divisors (29435593634676).

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

19242910818924 is a wasteful number, since it uses less digits than its factorization.

19242910818924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827865890 (or 827865888 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 60.

The spelling of 19242910818924 in words is "nineteen trillion, two hundred forty-two billion, nine hundred ten million, eight hundred eighteen thousand, nine hundred twenty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 149 156 298 447 596 894 1788 1937 3874 5811 7748 11622 23244 827865721 1655731442 2483597163 3311462884 4967194326 9934388652 10762254373 21524508746 32286763119 43049017492 64573526238 123351992429 129147052476 246703984858 370055977287 493407969716 740111954574 1480223909148 1603575901577 3207151803154 4810727704731 6414303606308 9621455409462 19242910818924