Base | Representation |
---|---|
bin | 111100010000111… |
… | …0001101010111001 |
3 | 12012220222100022211 |
4 | 1320201301222321 |
5 | 13120130320441 |
6 | 532353015121 |
7 | 101052510640 |
oct | 17041615271 |
9 | 5186870284 |
10 | 2022120121 |
11 | 94848585a |
12 | 4852544a1 |
13 | 262c207a8 |
14 | 1527b6357 |
15 | bc7d1a81 |
hex | 78871ab9 |
2022120121 has 8 divisors (see below), whose sum is σ = 2317031424. Its totient is φ = 1728718080.
The previous prime is 2022120073. The next prime is 2022120143. The reversal of 2022120121 is 1210212202.
It is a happy number.
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 2022120121 - 29 = 2022119609 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2022120181) 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, 374440 + ... + 379801.
It is an arithmetic number, because the mean of its divisors is an integer number (289628928).
Almost surely, 22022120121 is an apocalyptic number.
It is an amenable number.
2022120121 is a deficient number, since it is larger than the sum of its proper divisors (294911303).
2022120121 is an equidigital number, since it uses as much as digits as its factorization.
2022120121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 754631.
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 2022120121 is about 44967.9899595257. The cubic root of 2022120121 is about 1264.5489642733.
Adding to 2022120121 its reverse (1210212202), we get a palindrome (3232332323).
The spelling of 2022120121 in words is "two billion, twenty-two million, one hundred twenty thousand, one hundred twenty-one".
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