Base | Representation |
---|---|
bin | 1001001011111101001011… |
… | …01000010011111100111100 |
3 | 2122112021220210220211110111 |
4 | 10211332211220103330330 |
5 | 10121442204030014322 |
6 | 110544401505315404 |
7 | 4153355432503504 |
oct | 445764550237474 |
9 | 78467823824414 |
10 | 20202010001212 |
11 | 6489695a86966 |
12 | 2323350335b64 |
13 | b3706cb6c530 |
14 | 4dbad527ca04 |
15 | 2507799e6177 |
hex | 125fa5a13f3c |
20202010001212 has 48 divisors (see below), whose sum is σ = 38105119749312. Its totient is φ = 9316145479680.
The previous prime is 20202010001189. The next prime is 20202010001213. The reversal of 20202010001212 is 21210001020202.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a junction number, because it is equal to n+sod(n) for n = 20202010001192 and 20202010001201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20202010001213) 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, 502604988 + ... + 502645180.
It is an arithmetic number, because the mean of its divisors is an integer number (793856661444).
Almost surely, 220202010001212 is an apocalyptic number.
It is an amenable number.
20202010001212 is a deficient number, since it is larger than the sum of its proper divisors (17903109748100).
20202010001212 is a wasteful number, since it uses less digits than its factorization.
20202010001212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48118 (or 48116 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 20202010001212 its reverse (21210001020202), we get a palindrome (41412011021414).
The spelling of 20202010001212 in words is "twenty trillion, two hundred two billion, ten million, one thousand, two hundred twelve".
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