Base | Representation |
---|---|
bin | 1110110011000010101… |
… | …00001010010001101100 |
3 | 1210121100222022222022210 |
4 | 13121201110022101230 |
5 | 31312240314101402 |
6 | 1025323520210420 |
7 | 51506405425122 |
oct | 7314124122154 |
9 | 1717328288283 |
10 | 508438815852 |
11 | 18669a502780 |
12 | 82657169a10 |
13 | 38c3a573036 |
14 | 1a873cb7912 |
15 | d35b90d06c |
hex | 766150a46c |
508438815852 has 48 divisors (see below), whose sum is σ = 1294251840000. Its totient is φ = 154067136960.
The previous prime is 508438815847. The next prime is 508438815853. The reversal of 508438815852 is 258518834805.
It is a junction number, because it is equal to n+sod(n) for n = 508438815792 and 508438815801.
It is not an unprimeable number, because it can be changed into a prime (508438815853) 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 15 ways as a sum of consecutive naturals, for example, 5869149 + ... + 5955147.
It is an arithmetic number, because the mean of its divisors is an integer number (26963580000).
Almost surely, 2508438815852 is an apocalyptic number.
It is an amenable number.
508438815852 is an abundant number, since it is smaller than the sum of its proper divisors (785813024148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
508438815852 is a wasteful number, since it uses less digits than its factorization.
508438815852 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130806 (or 130804 counting only the distinct ones).
The product of its (nonzero) digits is 12288000, while the sum is 57.
The spelling of 508438815852 in words is "five hundred eight billion, four hundred thirty-eight million, eight hundred fifteen thousand, eight hundred fifty-two".
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