Base | Representation |
---|---|
bin | 1111001000100100111… |
… | …00000100001110010110 |
3 | 1211201012201110210112010 |
4 | 13210102130010032112 |
5 | 32004430044440123 |
6 | 1034515045005050 |
7 | 52366044246363 |
oct | 7442234041626 |
9 | 1751181423463 |
10 | 520000390038 |
11 | 190592733568 |
12 | 849430b3786 |
13 | 3a0609310ac |
14 | 1b24d5ab46a |
15 | d7d6929993 |
hex | 7912704396 |
520000390038 has 16 divisors (see below), whose sum is σ = 1057049973936. Its totient is φ = 170491931040.
The previous prime is 520000390037. The next prime is 520000390067. The reversal of 520000390038 is 830093000025.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 520000389987 and 520000390014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (520000390037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710382681 + ... + 710383412.
It is an arithmetic number, because the mean of its divisors is an integer number (66065623371).
Almost surely, 2520000390038 is an apocalyptic number.
520000390038 is an abundant number, since it is smaller than the sum of its proper divisors (537049583898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
520000390038 is a wasteful number, since it uses less digits than its factorization.
520000390038 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1420766159.
The product of its (nonzero) digits is 6480, while the sum is 30.
The spelling of 520000390038 in words is "five hundred twenty billion, three hundred ninety thousand, thirty-eight".
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