Base | Representation |
---|---|
bin | 11010001111011… |
… | …01100010001001 |
3 | 120100012112011200 |
4 | 31013231202021 |
5 | 422323002241 |
6 | 33502014413 |
7 | 5312014533 |
oct | 1507554211 |
9 | 510175150 |
10 | 220125321 |
11 | 103289459 |
12 | 61877409 |
13 | 367b2790 |
14 | 21340853 |
15 | 144d24b6 |
hex | d1ed889 |
220125321 has 24 divisors (see below), whose sum is σ = 351678600. Its totient is φ = 131798016.
The previous prime is 220125281. The next prime is 220125337. The reversal of 220125321 is 123521022.
220125321 is a `hidden beast` number, since 220 + 125 + 321 = 666.
220125321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 52707600 + 167417721 = 7260^2 + 12939^2 .
It is not a de Polignac number, because 220125321 - 27 = 220125193 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 220125294 and 220125303.
It is not an unprimeable number, because it can be changed into a prime (220124321) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21096 + ... + 29753.
It is an arithmetic number, because the mean of its divisors is an integer number (14653275).
Almost surely, 2220125321 is an apocalyptic number.
It is an amenable number.
220125321 is a deficient number, since it is larger than the sum of its proper divisors (131553279).
220125321 is a wasteful number, since it uses less digits than its factorization.
220125321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50905 (or 50902 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 220125321 is about 14836.6209427888. The cubic root of 220125321 is about 603.7956790664.
Adding to 220125321 its reverse (123521022), we get a palindrome (343646343).
The spelling of 220125321 in words is "two hundred twenty million, one hundred twenty-five thousand, three hundred twenty-one".
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