Base | Representation |
---|---|
bin | 1001000011011100111100… |
… | …11110010101011000000000 |
3 | 2121111100202102210002121222 |
4 | 10201232132132111120000 |
5 | 10102200314013401320 |
6 | 110202241200334212 |
7 | 4123303126061666 |
oct | 441563636253000 |
9 | 77440672702558 |
10 | 19909832168960 |
11 | 6386792236008 |
12 | 22967aa614368 |
13 | b1564878b766 |
14 | 4cb8d8d52c36 |
15 | 247d78e06825 |
hex | 121b9e795600 |
19909832168960 has 40 divisors (see below), whose sum is σ = 47736933542496. Its totient is φ = 7963932866560.
The previous prime is 19909832168939. The next prime is 19909832169001. The reversal of 19909832168960 is 6986123890991.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3888636536 + ... + 3888641655.
Almost surely, 219909832168960 is an apocalyptic number.
19909832168960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
19909832168960 is an abundant number, since it is smaller than the sum of its proper divisors (27827101373536).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19909832168960 is an frugal number, since it uses more digits than its factorization.
19909832168960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7777278214 (or 7777278198 counting only the distinct ones).
The product of its (nonzero) digits is 90699264, while the sum is 71.
The spelling of 19909832168960 in words is "nineteen trillion, nine hundred nine billion, eight hundred thirty-two million, one hundred sixty-eight thousand, nine hundred sixty".
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