Base | Representation |
---|---|
bin | 11010001111011… |
… | …10111010111010 |
3 | 120100012210222002 |
4 | 31013232322322 |
5 | 422323143002 |
6 | 33502101002 |
7 | 5312040230 |
oct | 1507567272 |
9 | 510183862 |
10 | 220131002 |
11 | 103292753 |
12 | 6187a762 |
13 | 367b5240 |
14 | 21342950 |
15 | 144d4002 |
hex | d1eeeba |
220131002 has 32 divisors (see below), whose sum is σ = 407164800. Its totient is φ = 86920128.
The previous prime is 220130987. The next prime is 220131047. The reversal of 220131002 is 200131022.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150149 + ... + 151607.
It is an arithmetic number, because the mean of its divisors is an integer number (12723900).
Almost surely, 2220131002 is an apocalyptic number.
220131002 is a deficient number, since it is larger than the sum of its proper divisors (187033798).
220131002 is a wasteful number, since it uses less digits than its factorization.
220131002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2310.
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 220131002 is about 14836.8123935029. The cubic root of 220131002 is about 603.8008732799.
Adding to 220131002 its reverse (200131022), we get a palindrome (420262024).
The spelling of 220131002 in words is "two hundred twenty million, one hundred thirty-one thousand, two".
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