Base | Representation |
---|---|
bin | 11010010000010… |
… | …01110011100001 |
3 | 120100102102000120 |
4 | 31020021303201 |
5 | 422340203441 |
6 | 33504310453 |
7 | 5313006252 |
oct | 1510116341 |
9 | 510372016 |
10 | 220241121 |
11 | 103358461 |
12 | 61912429 |
13 | 368233b9 |
14 | 21370b29 |
15 | 14506966 |
hex | d209ce1 |
220241121 has 4 divisors (see below), whose sum is σ = 293654832. Its totient is φ = 146827412.
The previous prime is 220241117. The next prime is 220241173. The reversal of 220241121 is 121142022.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 220241121 - 22 = 220241117 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 220241121.
It is not an unprimeable number, because it can be changed into a prime (220241101) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36706851 + ... + 36706856.
It is an arithmetic number, because the mean of its divisors is an integer number (73413708).
Almost surely, 2220241121 is an apocalyptic number.
It is an amenable number.
220241121 is a deficient number, since it is larger than the sum of its proper divisors (73413711).
220241121 is an equidigital number, since it uses as much as digits as its factorization.
220241121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73413710.
The product of its (nonzero) digits is 64, while the sum is 15.
The square root of 220241121 is about 14840.5229355303. The cubic root of 220241121 is about 603.9015388893.
Adding to 220241121 its reverse (121142022), we get a palindrome (341383143).
Subtracting from 220241121 its reverse (121142022), we obtain a palindrome (99099099).
The spelling of 220241121 in words is "two hundred twenty million, two hundred forty-one thousand, one hundred twenty-one".
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