Base | Representation |
---|---|
bin | 11010001110011… |
… | …11011100001101 |
3 | 120022222021002111 |
4 | 31013033130031 |
5 | 422310031221 |
6 | 33455224021 |
7 | 5310662266 |
oct | 1507173415 |
9 | 508867074 |
10 | 220002061 |
11 | 103204894 |
12 | 61818011 |
13 | 3676b646 |
14 | 2130b96d |
15 | 144aabe1 |
hex | d1cf70d |
220002061 has 16 divisors (see below), whose sum is σ = 236396160. Its totient is φ = 204240960.
The previous prime is 220002053. The next prime is 220002067. The reversal of 220002061 is 160200022.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 220002061 - 23 = 220002053 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220002067) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178395 + ... + 179623.
It is an arithmetic number, because the mean of its divisors is an integer number (14774760).
Almost surely, 2220002061 is an apocalyptic number.
It is an amenable number.
220002061 is a deficient number, since it is larger than the sum of its proper divisors (16394099).
220002061 is a wasteful number, since it uses less digits than its factorization.
220002061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1476.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 220002061 is about 14832.4664503244. The cubic root of 220002061 is about 603.6829588052.
Adding to 220002061 its reverse (160200022), we get a palindrome (380202083).
The spelling of 220002061 in words is "two hundred twenty million, two thousand, sixty-one".
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