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19064804832 = 2532173382643
BaseRepresentation
bin10001110000010110…
…011101010111100000
31211012122210102122200
4101300112131113200
5303021042223312
612431440533200
71243305111243
oct216026352740
954178712580
1019064804832
1180a3649057
123840921200
131a4aa0a708
14ccc00725a
15768adb0dc
hex47059d5e0

19064804832 has 72 divisors (see below), whose sum is σ = 54529065864. Its totient is φ = 6318184704.

The previous prime is 19064804813. The next prime is 19064804833. The reversal of 19064804832 is 23840846091.

It is a happy number.

19064804832 is a `hidden beast` number, since 1 + 90 + 6 + 4 + 80 + 483 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19064804833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141498 + ... + 241145.

It is an arithmetic number, because the mean of its divisors is an integer number (757348137).

Almost surely, 219064804832 is an apocalyptic number.

19064804832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19064804832 is an abundant number, since it is smaller than the sum of its proper divisors (35464261032).

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

19064804832 is a wasteful number, since it uses less digits than its factorization.

19064804832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382832 (or 382821 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 19064804832 in words is "nineteen billion, sixty-four million, eight hundred four thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 173 288 346 519 692 1038 1384 1557 2076 2768 3114 4152 5536 6228 8304 12456 16608 24912 49824 382643 765286 1147929 1530572 2295858 3061144 3443787 4591716 6122288 6887574 9183432 12244576 13775148 18366864 27550296 36733728 55100592 66197239 110201184 132394478 198591717 264788956 397183434 529577912 595775151 794366868 1059155824 1191550302 1588733736 2118311648 2383100604 3177467472 4766201208 6354934944 9532402416 19064804832