Base | Representation |
---|---|
bin | 1011101010010001… |
… | …1110001100000101 |
3 | 22002010212201112222 |
4 | 2322210132030011 |
5 | 22402302414023 |
6 | 1234333222125 |
7 | 140365415033 |
oct | 27244361405 |
9 | 8063781488 |
10 | 3130123013 |
11 | 1366966826 |
12 | 734331945 |
13 | 3ab643cc4 |
14 | 2199d9553 |
15 | 134be8cc8 |
hex | ba91e305 |
3130123013 has 8 divisors (see below), whose sum is σ = 3153951000. Its totient is φ = 3106332928.
The previous prime is 3130123001. The next prime is 3130123021. The reversal of 3130123013 is 3103210313.
It can be written as a sum of positive squares in 4 ways, for example, as 286354084 + 2843768929 = 16922^2 + 53327^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 3130123013 - 24 = 3130122997 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3130122982 and 3130123000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3130123043) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168953 + ... + 186561.
It is an arithmetic number, because the mean of its divisors is an integer number (394243875).
Almost surely, 23130123013 is an apocalyptic number.
It is an amenable number.
3130123013 is a deficient number, since it is larger than the sum of its proper divisors (23827987).
3130123013 is a wasteful number, since it uses less digits than its factorization.
3130123013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18951.
The product of its (nonzero) digits is 162, while the sum is 17.
The square root of 3130123013 is about 55947.5022945618. The cubic root of 3130123013 is about 1462.8073545763.
Adding to 3130123013 its reverse (3103210313), we get a palindrome (6233333326).
The spelling of 3130123013 in words is "three billion, one hundred thirty million, one hundred twenty-three thousand, thirteen".
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