Base | Representation |
---|---|
bin | 1001001001010010001010… |
… | …11100111101100100101100 |
3 | 2122012111221120011020010110 |
4 | 10210221011130331210230 |
5 | 10113441143214200022 |
6 | 110434255503340020 |
7 | 4143625361304123 |
oct | 444510534754454 |
9 | 78174846136113 |
10 | 20110202100012 |
11 | 64537638a4952 |
12 | 23095a9bb1610 |
13 | b2b4cb621a3b |
14 | 4d74a620caba |
15 | 24d1a4aa000c |
hex | 124a4573d92c |
20110202100012 has 192 divisors, whose sum is σ = 52268075596800. Its totient is φ = 5994960491520.
The previous prime is 20110202099993. The next prime is 20110202100013. The reversal of 20110202100012 is 21000120201102.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is not an unprimeable number, because it can be changed into a prime (20110202100013) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62326314 + ... + 62648142.
It is an arithmetic number, because the mean of its divisors is an integer number (272229560400).
Almost surely, 220110202100012 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20110202100012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26134037798400).
20110202100012 is an abundant number, since it is smaller than the sum of its proper divisors (32157873496788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20110202100012 is a wasteful number, since it uses less digits than its factorization.
20110202100012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 322136 (or 322134 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 20110202100012 its reverse (21000120201102), we get a palindrome (41110322301114).
The spelling of 20110202100012 in words is "twenty trillion, one hundred ten billion, two hundred two million, one hundred thousand, twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •