Base | Representation |
---|---|
bin | 1011100011011010… |
… | …1100011000011001 |
3 | 22000010201122221221 |
4 | 2320312230120121 |
5 | 22322421022210 |
6 | 1231424332041 |
7 | 136566000022 |
oct | 27066543031 |
9 | 8003648857 |
10 | 3101345305 |
11 | 13516a06a3 |
12 | 726774021 |
13 | 3a56a9486 |
14 | 215c67c49 |
15 | 1324121da |
hex | b8dac619 |
3101345305 has 4 divisors (see below), whose sum is σ = 3721614372. Its totient is φ = 2481076240.
The previous prime is 3101345293. The next prime is 3101345321. The reversal of 3101345305 is 5035431013.
3101345305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5035431013 = 157 ⋅32072809.
It can be written as a sum of positive squares in 2 ways, for example, as 619412544 + 2481932761 = 24888^2 + 49819^2 .
It is not a de Polignac number, because 3101345305 - 29 = 3101344793 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 3101345305.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310134526 + ... + 310134535.
It is an arithmetic number, because the mean of its divisors is an integer number (930403593).
Almost surely, 23101345305 is an apocalyptic number.
It is an amenable number.
3101345305 is a deficient number, since it is larger than the sum of its proper divisors (620269067).
3101345305 is an equidigital number, since it uses as much as digits as its factorization.
3101345305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 620269066.
The product of its (nonzero) digits is 2700, while the sum is 25.
The square root of 3101345305 is about 55689.7235134095. The cubic root of 3101345305 is about 1458.3106288565.
Adding to 3101345305 its reverse (5035431013), we get a palindrome (8136776318).
The spelling of 3101345305 in words is "three billion, one hundred one million, three hundred forty-five thousand, three hundred five".
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