Base | Representation |
---|---|
bin | 1011101010010000… |
… | …0101000100000101 |
3 | 22002010200111101102 |
4 | 2322210011010011 |
5 | 22402241120401 |
6 | 1234331105445 |
7 | 140364506015 |
oct | 27244050405 |
9 | 8063614342 |
10 | 3130020101 |
11 | 13668a647a |
12 | 7342a2285 |
13 | 3ab609200 |
14 | 2199adc45 |
15 | 134bc856b |
hex | ba905105 |
3130020101 has 6 divisors (see below), whose sum is σ = 3389311890. Its totient is φ = 2889249168.
The previous prime is 3130020079. The next prime is 3130020137. The reversal of 3130020101 is 1010200313.
It can be written as a sum of positive squares in 3 ways, for example, as 172291876 + 2957728225 = 13126^2 + 54385^2 .
It is not a de Polignac number, because 3130020101 - 210 = 3130019077 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 (3130020301) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9260246 + ... + 9260583.
It is an arithmetic number, because the mean of its divisors is an integer number (564885315).
Almost surely, 23130020101 is an apocalyptic number.
It is an amenable number.
3130020101 is a deficient number, since it is larger than the sum of its proper divisors (259291789).
3130020101 is a wasteful number, since it uses less digits than its factorization.
3130020101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18520855 (or 18520842 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 11.
The square root of 3130020101 is about 55946.5825676600. The cubic root of 3130020101 is about 1462.7913230359.
Adding to 3130020101 its reverse (1010200313), we get a palindrome (4140220414).
The spelling of 3130020101 in words is "three billion, one hundred thirty million, twenty thousand, one hundred one".
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