Base | Representation |
---|---|
bin | 11101011001011110100… |
… | …100101101110001100101 |
3 | 21011010112200210221100022 |
4 | 131121132210231301211 |
5 | 231044403123441401 |
6 | 4144024333524525 |
7 | 265645652551526 |
oct | 35313644556145 |
9 | 7133480727308 |
10 | 2020221312101 |
11 | 709853299973 |
12 | 287648043745 |
13 | 118676a489c5 |
14 | 6daca30484d |
15 | 3783d3b271b |
hex | 1d65e92dc65 |
2020221312101 has 8 divisors (see below), whose sum is σ = 2126951534400. Its totient is φ = 1913531368320.
The previous prime is 2020221312089. The next prime is 2020221312149. The reversal of 2020221312101 is 1012131220202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2020221312101 - 210 = 2020221311077 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2020221312101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2020221312001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9966641 + ... + 10167318.
It is an arithmetic number, because the mean of its divisors is an integer number (265868941800).
Almost surely, 22020221312101 is an apocalyptic number.
It is an amenable number.
2020221312101 is a deficient number, since it is larger than the sum of its proper divisors (106730222299).
2020221312101 is a wasteful number, since it uses less digits than its factorization.
2020221312101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20139259.
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 2020221312101 its reverse (1012131220202), we get a palindrome (3032352532303).
The spelling of 2020221312101 in words is "two trillion, twenty billion, two hundred twenty-one million, three hundred twelve thousand, one hundred one".
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