Base | Representation |
---|---|
bin | 1011101000100101… |
… | …0101100111011101 |
3 | 22001122111100100112 |
4 | 2322021111213131 |
5 | 22343442310023 |
6 | 1233520535405 |
7 | 140251101314 |
oct | 27211254735 |
9 | 8048440315 |
10 | 3123010013 |
11 | 1362948712 |
12 | 731a81565 |
13 | 3aa023526 |
14 | 218aa727b |
15 | 134291478 |
hex | ba2559dd |
3123010013 has 8 divisors (see below), whose sum is σ = 3149548248. Its totient is φ = 3096569664.
The previous prime is 3123010003. The next prime is 3123010027. The reversal of 3123010013 is 3100103213.
It can be written as a sum of positive squares in 4 ways, for example, as 1648603609 + 1474406404 = 40603^2 + 38398^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 3123010013 - 26 = 3123009949 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 3123010013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3123010003) 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, 40331 + ... + 88727.
It is an arithmetic number, because the mean of its divisors is an integer number (393693531).
Almost surely, 23123010013 is an apocalyptic number.
It is an amenable number.
3123010013 is a deficient number, since it is larger than the sum of its proper divisors (26538235).
3123010013 is a wasteful number, since it uses less digits than its factorization.
3123010013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48943.
The product of its (nonzero) digits is 54, while the sum is 14.
The square root of 3123010013 is about 55883.8976181869. The cubic root of 3123010013 is about 1461.6984694881.
Adding to 3123010013 its reverse (3100103213), we get a palindrome (6223113226).
The spelling of 3123010013 in words is "three billion, one hundred twenty-three million, ten thousand, thirteen".
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