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19213284048 = 2437232486191
BaseRepresentation
bin10001111001001100…
…110111001011010000
31211121000011221211220
4101321030313023100
5303322100042143
612454303205040
71250060135250
oct217114671320
954530157756
1019213284048
11816a441752
1238825a6780
131a726c633a
14d03a17960
15776b69d83
hex4793372d0

19213284048 has 80 divisors (see below), whose sum is σ = 59191259136. Its totient is φ = 5250833280.

The previous prime is 19213284031. The next prime is 19213284053. The reversal of 19213284048 is 84048231291.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1235368 + ... + 1250823.

Almost surely, 219213284048 is an apocalyptic number.

It is an amenable number.

19213284048 is an abundant number, since it is smaller than the sum of its proper divisors (39977975088).

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

19213284048 is a wasteful number, since it uses less digits than its factorization.

19213284048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486232 (or 2486226 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 19213284048 in words is "nineteen billion, two hundred thirteen million, two hundred eighty-four thousand, forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 23 24 28 42 46 48 56 69 84 92 112 138 161 168 184 276 322 336 368 483 552 644 966 1104 1288 1932 2576 3864 7728 2486191 4972382 7458573 9944764 14917146 17403337 19889528 29834292 34806674 39779056 52210011 57182393 59668584 69613348 104420022 114364786 119337168 139226696 171547179 208840044 228729572 278453392 343094358 400276751 417680088 457459144 686188716 800553502 835360176 914918288 1200830253 1372377432 1601107004 2401660506 2744754864 3202214008 4803321012 6404428016 9606642024 19213284048