Base | Representation |
---|---|
bin | 1001001001100110011111… |
… | …01111000000010011101001 |
3 | 2122020120002220002121002120 |
4 | 10210303033233000103221 |
5 | 10114131014134121301 |
6 | 110443302233021453 |
7 | 4144462625142453 |
oct | 444631757002351 |
9 | 78216086077076 |
10 | 20121112020201 |
11 | 64583521a7415 |
12 | 230b733854889 |
13 | b2c54999a00a |
14 | 4d7c1d1512d3 |
15 | 24d5e2798e36 |
hex | 124ccfbc04e9 |
20121112020201 has 16 divisors (see below), whose sum is σ = 27583905931008. Its totient is φ = 13038610953600.
The previous prime is 20121112020167. The next prime is 20121112020203. The reversal of 20121112020201 is 10202021112102.
It is not a de Polignac number, because 20121112020201 - 213 = 20121112012009 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20121112020203) 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, 301786366 + ... + 301853031.
It is an arithmetic number, because the mean of its divisors is an integer number (1723994120688).
Almost surely, 220121112020201 is an apocalyptic number.
It is an amenable number.
20121112020201 is a deficient number, since it is larger than the sum of its proper divisors (7462793910807).
20121112020201 is a wasteful number, since it uses less digits than its factorization.
20121112020201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 603639712.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 20121112020201 its reverse (10202021112102), we get a palindrome (30323133132303).
The spelling of 20121112020201 in words is "twenty trillion, one hundred twenty-one billion, one hundred twelve million, twenty thousand, two hundred one".
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