Base | Representation |
---|---|
bin | 1110111011111110011… |
… | …11011011110110110000 |
3 | 1211001202021211010001100 |
4 | 13131333033123312300 |
5 | 31402101340022122 |
6 | 1031435521404400 |
7 | 52036314560205 |
oct | 7357717336660 |
9 | 1731667733040 |
10 | 513235860912 |
11 | 188731299725 |
12 | 83575799700 |
13 | 39523351638 |
14 | 1abab027cac |
15 | d53cb24aac |
hex | 777f3dbdb0 |
513235860912 has 60 divisors (see below), whose sum is σ = 1436406903360. Its totient is φ = 171071554944.
The previous prime is 513235860859. The next prime is 513235860913. The reversal of 513235860912 is 219068532315.
513235860912 is a `hidden beast` number, since 5 + 1 + 3 + 2 + 35 + 8 + 609 + 1 + 2 = 666.
It is a super-3 number, since 3×5132358609123 (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (513235860913) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4341889 + ... + 4458527.
It is an arithmetic number, because the mean of its divisors is an integer number (23940115056).
Almost surely, 2513235860912 is an apocalyptic number.
It is an amenable number.
513235860912 is an abundant number, since it is smaller than the sum of its proper divisors (923171042448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
513235860912 is a wasteful number, since it uses less digits than its factorization.
513235860912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 147210 (or 147201 counting only the distinct ones).
The product of its (nonzero) digits is 388800, while the sum is 45.
The spelling of 513235860912 in words is "five hundred thirteen billion, two hundred thirty-five million, eight hundred sixty thousand, nine hundred twelve".
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