Base | Representation |
---|---|
bin | 11010010000000… |
… | …01010001000111 |
3 | 120100100122001101 |
4 | 31020001101013 |
5 | 422333044101 |
6 | 33503440531 |
7 | 5312502304 |
oct | 1510012107 |
9 | 510318041 |
10 | 220206151 |
11 | 103334160 |
12 | 618b6147 |
13 | 368104c9 |
14 | 213620ab |
15 | 144eb401 |
hex | d201447 |
220206151 has 24 divisors (see below), whose sum is σ = 257865264. Its totient is φ = 186439680.
The previous prime is 220206097. The next prime is 220206167. The reversal of 220206151 is 151602022.
It is not a de Polignac number, because 220206151 - 27 = 220206023 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 (220206451) 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, 358921 + ... + 359533.
It is an arithmetic number, because the mean of its divisors is an integer number (10744386).
Almost surely, 2220206151 is an apocalyptic number.
220206151 is a deficient number, since it is larger than the sum of its proper divisors (37659113).
220206151 is a wasteful number, since it uses less digits than its factorization.
220206151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 771 (or 754 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 220206151 is about 14839.3446957741. The cubic root of 220206151 is about 603.8695745971.
Adding to 220206151 its reverse (151602022), we get a palindrome (371808173).
The spelling of 220206151 in words is "two hundred twenty million, two hundred six thousand, one hundred fifty-one".
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