Base | Representation |
---|---|
bin | 11011111110000000… |
… | …010110110010111101 |
3 | 2212111221012121122020 |
4 | 123332000112302331 |
5 | 443001003410023 |
6 | 21443551110353 |
7 | 2112126631455 |
oct | 337600266275 |
9 | 85457177566 |
10 | 30031310013 |
11 | 11810989781 |
12 | 59a15123b9 |
13 | 2aa7a08433 |
14 | 164c678d65 |
15 | bab760de3 |
hex | 6fe016cbd |
30031310013 has 16 divisors (see below), whose sum is σ = 41786699136. Its totient is φ = 19148564160.
The previous prime is 30031310009. The next prime is 30031310017. The reversal of 30031310013 is 31001313003.
It is an interprime number because it is at equal distance from previous prime (30031310009) and next prime (30031310017).
It is not a de Polignac number, because 30031310013 - 22 = 30031310009 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 30031309974 and 30031310001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30031310017) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1392831 + ... + 1414227.
It is an arithmetic number, because the mean of its divisors is an integer number (2611668696).
Almost surely, 230031310013 is an apocalyptic number.
It is an amenable number.
30031310013 is a deficient number, since it is larger than the sum of its proper divisors (11755389123).
30031310013 is a wasteful number, since it uses less digits than its factorization.
30031310013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41764.
The product of its (nonzero) digits is 81, while the sum is 15.
Adding to 30031310013 its reverse (31001313003), we get a palindrome (61032623016).
The spelling of 30031310013 in words is "thirty billion, thirty-one million, three hundred ten thousand, thirteen".
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