Base | Representation |
---|---|
bin | 1001001001000001001101… |
… | …11011111110010011111011 |
3 | 2122011122110020022212020110 |
4 | 10210200212323332103323 |
5 | 10113314023122414321 |
6 | 110430152402155403 |
7 | 4143154000402041 |
oct | 444404673762373 |
9 | 78148406285213 |
10 | 20101100201211 |
11 | 644a913035637 |
12 | 2307889952b63 |
13 | b2a6aaa148c3 |
14 | 4d6c81470391 |
15 | 24cd20996176 |
hex | 124826efe4fb |
20101100201211 has 32 divisors (see below), whose sum is σ = 28627213708800. Its totient is φ = 12508839624960.
The previous prime is 20101100201201. The next prime is 20101100201213. The reversal of 20101100201211 is 11210200110102.
It is not a de Polignac number, because 20101100201211 - 223 = 20101091812603 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20101100201213) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4968145 + ... + 8055101.
It is an arithmetic number, because the mean of its divisors is an integer number (894600428400).
Almost surely, 220101100201211 is an apocalyptic number.
20101100201211 is a deficient number, since it is larger than the sum of its proper divisors (8526113507589).
20101100201211 is a wasteful number, since it uses less digits than its factorization.
20101100201211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3088659.
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 20101100201211 its reverse (11210200110102), we get a palindrome (31311300311313).
The spelling of 20101100201211 in words is "twenty trillion, one hundred one billion, one hundred million, two hundred one thousand, two hundred eleven".
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