Base | Representation |
---|---|
bin | 1011100101001100… |
… | …1000011011011101 |
3 | 22000122202102011221 |
4 | 2321103020123131 |
5 | 22331323101341 |
6 | 1232252213341 |
7 | 140016236332 |
oct | 27123103335 |
9 | 8018672157 |
10 | 3108800221 |
11 | 135592268a |
12 | 72916a251 |
13 | 3a70b9777 |
14 | 216c48989 |
15 | 132dd5ed1 |
hex | b94c86dd |
3108800221 has 12 divisors (see below), whose sum is σ = 3268097280. Its totient is φ = 2956932440.
The previous prime is 3108800173. The next prime is 3108800237. The reversal of 3108800221 is 1220088013.
It is not a de Polignac number, because 3108800221 - 221 = 3106703069 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 (3108800521) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78276 + ... + 111106.
It is an arithmetic number, because the mean of its divisors is an integer number (272341440).
Almost surely, 23108800221 is an apocalyptic number.
It is an amenable number.
3108800221 is a deficient number, since it is larger than the sum of its proper divisors (159297059).
3108800221 is a wasteful number, since it uses less digits than its factorization.
3108800221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33056 (or 33033 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 25.
The square root of 3108800221 is about 55756.6159392767. The cubic root of 3108800221 is about 1459.4781742132.
Adding to 3108800221 its reverse (1220088013), we get a palindrome (4328888234).
The spelling of 3108800221 in words is "three billion, one hundred eight million, eight hundred thousand, two hundred twenty-one".
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