Base | Representation |
---|---|
bin | 1001001010110010100… |
… | …01001111100110111111 |
3 | 1010010011000002122101001 |
4 | 10211121101033212333 |
5 | 20130140224231330 |
6 | 400420052431131 |
7 | 31521513261223 |
oct | 4453121174677 |
9 | 1103130078331 |
10 | 315030305215 |
11 | 11167043804a |
12 | 5107b0184a7 |
13 | 23926a28832 |
14 | 113673b4783 |
15 | 82dbeac9ca |
hex | 495944f9bf |
315030305215 has 16 divisors (see below), whose sum is σ = 379466867808. Its totient is φ = 251071214976.
The previous prime is 315030305207. The next prime is 315030305231. The reversal of 315030305215 is 512503030513.
It is a cyclic number.
It is not a de Polignac number, because 315030305215 - 23 = 315030305207 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4068037 + ... + 4144753.
It is an arithmetic number, because the mean of its divisors is an integer number (23716679238).
Almost surely, 2315030305215 is an apocalyptic number.
315030305215 is a deficient number, since it is larger than the sum of its proper divisors (64436562593).
315030305215 is a wasteful number, since it uses less digits than its factorization.
315030305215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79818.
The product of its (nonzero) digits is 6750, while the sum is 28.
Adding to 315030305215 its reverse (512503030513), we get a palindrome (827533335728).
The spelling of 315030305215 in words is "three hundred fifteen billion, thirty million, three hundred five thousand, two hundred fifteen".
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