Base | Representation |
---|---|
bin | 1001001001000011010010… |
… | …01010001011001011101001 |
3 | 2122011202022122220110202221 |
4 | 10210201221022023023221 |
5 | 10113323312033021301 |
6 | 110430454531154041 |
7 | 4143223351040335 |
oct | 444415112131351 |
9 | 78152278813687 |
10 | 20102211220201 |
11 | 6450333196650 |
12 | 2307b39a45921 |
13 | b2a826c52ba6 |
14 | 4d6d48c3a7c5 |
15 | 24cd882a6da1 |
hex | 12486928b2e9 |
20102211220201 has 16 divisors (see below), whose sum is σ = 24229217155968. Its totient is φ = 16451937568000.
The previous prime is 20102211220177. The next prime is 20102211220219. The reversal of 20102211220201 is 10202211220102.
It is a happy number.
It is not a de Polignac number, because 20102211220201 - 219 = 20102210695913 is a prime.
It is a super-3 number, since 3×201022112202013 (a number of 41 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (20102211220271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2336918650 + ... + 2336927251.
It is an arithmetic number, because the mean of its divisors is an integer number (1514326072248).
Almost surely, 220102211220201 is an apocalyptic number.
It is an amenable number.
20102211220201 is a deficient number, since it is larger than the sum of its proper divisors (4127005935767).
20102211220201 is a wasteful number, since it uses less digits than its factorization.
20102211220201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4673845952.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 20102211220201 its reverse (10202211220102), we get a palindrome (30304422440303).
Subtracting from 20102211220201 its reverse (10202211220102), we obtain a palindrome (9900000000099).
The spelling of 20102211220201 in words is "twenty trillion, one hundred two billion, two hundred eleven million, two hundred twenty thousand, two hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •