Base | Representation |
---|---|
bin | 1011101010010111… |
… | …1111000111001101 |
3 | 22002011121220010200 |
4 | 2322211333013031 |
5 | 22402403120023 |
6 | 1234345524113 |
7 | 140401660335 |
oct | 27245770715 |
9 | 8064556120 |
10 | 3130520013 |
11 | 1367108025 |
12 | 7344a3639 |
13 | 3ab75290a |
14 | 219aa00c5 |
15 | 134c76743 |
hex | ba97f1cd |
3130520013 has 24 divisors (see below), whose sum is σ = 4752098208. Its totient is φ = 1983375072.
The previous prime is 3130519991. The next prime is 3130520017. The reversal of 3130520013 is 3100250313.
3130520013 is a `hidden beast` number, since 3 + 130 + 520 + 0 + 13 = 666.
It is not a de Polignac number, because 3130520013 - 25 = 3130519981 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3130520017) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94995 + ... + 123632.
It is an arithmetic number, because the mean of its divisors is an integer number (198004092).
Almost surely, 23130520013 is an apocalyptic number.
It is an amenable number.
3130520013 is a deficient number, since it is larger than the sum of its proper divisors (1621578195).
3130520013 is a wasteful number, since it uses less digits than its factorization.
3130520013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 218713 (or 218710 counting only the distinct ones).
The product of its (nonzero) digits is 270, while the sum is 18.
The square root of 3130520013 is about 55951.0501510025. The cubic root of 3130520013 is about 1462.8691955931.
Adding to 3130520013 its reverse (3100250313), we get a palindrome (6230770326).
The spelling of 3130520013 in words is "three billion, one hundred thirty million, five hundred twenty thousand, thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •