Base | Representation |
---|---|
bin | 111100010000110… |
… | …1101010001101001 |
3 | 12012220221102122011 |
4 | 1320201231101221 |
5 | 13120124231441 |
6 | 532352355521 |
7 | 101052404314 |
oct | 17041552151 |
9 | 5186842564 |
10 | 2022102121 |
11 | 948473286 |
12 | 485245ba1 |
13 | 262c15540 |
14 | 1527ad97b |
15 | bc7cb581 |
hex | 7886d469 |
2022102121 has 8 divisors (see below), whose sum is σ = 2181186504. Its totient is φ = 1863523200.
The previous prime is 2022102119. The next prime is 2022102139. The reversal of 2022102121 is 1212012202.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 378691600 + 1643410521 = 19460^2 + 40539^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2022102121 - 21 = 2022102119 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2022102521) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118030 + ... + 134071.
It is an arithmetic number, because the mean of its divisors is an integer number (272648313).
Almost surely, 22022102121 is an apocalyptic number.
It is an amenable number.
2022102121 is a deficient number, since it is larger than the sum of its proper divisors (159084383).
2022102121 is a wasteful number, since it uses less digits than its factorization.
2022102121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 252731.
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 2022102121 is about 44967.7898167121. The cubic root of 2022102121 is about 1264.5452121142.
Adding to 2022102121 its reverse (1212012202), we get a palindrome (3234114323).
The spelling of 2022102121 in words is "two billion, twenty-two million, one hundred two thousand, one hundred twenty-one".
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