Base | Representation |
---|---|
bin | 1001001001100110011110… |
… | …01101110110111110101001 |
3 | 2122020120002021202011002020 |
4 | 10210303033031312332221 |
5 | 10114131004423044431 |
6 | 110443301322455053 |
7 | 4144462461243303 |
oct | 444631715667651 |
9 | 78216067664066 |
10 | 20121103331241 |
11 | 6458348302260 |
12 | 230b730964489 |
13 | b2c547c47113 |
14 | 4d7c1bd2c973 |
15 | 24d5e1b2e696 |
hex | 124ccf376fa9 |
20121103331241 has 16 divisors (see below), whose sum is σ = 29268936113088. Its totient is φ = 12193826112000.
The previous prime is 20121103331171. The next prime is 20121103331323. The reversal of 20121103331241 is 14213330112102.
It is not a de Polignac number, because 20121103331241 - 210 = 20121103330217 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20121103335241) 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, 19026556 + ... + 20056221.
It is an arithmetic number, because the mean of its divisors is an integer number (1829308507068).
Almost surely, 220121103331241 is an apocalyptic number.
It is an amenable number.
20121103331241 is a deficient number, since it is larger than the sum of its proper divisors (9147832781847).
20121103331241 is a wasteful number, since it uses less digits than its factorization.
20121103331241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39098392.
The product of its (nonzero) digits is 864, while the sum is 24.
Adding to 20121103331241 its reverse (14213330112102), we get a palindrome (34334433443343).
The spelling of 20121103331241 in words is "twenty trillion, one hundred twenty-one billion, one hundred three million, three hundred thirty-one thousand, two hundred forty-one".
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