Base | Representation |
---|---|
bin | 10010101010000011… |
… | …100000001011100000 |
3 | 1220201010110110222010 |
4 | 102222003200023200 |
5 | 312011411223034 |
6 | 13111502512520 |
7 | 1306301650335 |
oct | 225203401340 |
9 | 56633413863 |
10 | 20032914144 |
11 | 855006a9a1 |
12 | 3a70b95740 |
13 | 1b73460169 |
14 | d8081298c |
15 | 7c3abd3e9 |
hex | 4aa0e02e0 |
20032914144 has 96 divisors (see below), whose sum is σ = 54186523776. Its totient is φ = 6475645440.
The previous prime is 20032914137. The next prime is 20032914149. The reversal of 20032914144 is 44141923002.
It is a tau number, because it is divible by the number of its divisors (96).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20032914149) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1081279 + ... + 1099649.
It is an arithmetic number, because the mean of its divisors is an integer number (564442956).
Almost surely, 220032914144 is an apocalyptic number.
20032914144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20032914144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27093261888).
20032914144 is an abundant number, since it is smaller than the sum of its proper divisors (34153609632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20032914144 is a wasteful number, since it uses less digits than its factorization.
20032914144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18728 (or 18720 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 30.
The spelling of 20032914144 in words is "twenty billion, thirty-two million, nine hundred fourteen thousand, one hundred forty-four".
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