Base | Representation |
---|---|
bin | 100101000011000101… |
… | …101111000111100100 |
3 | 10210200100121202020100 |
4 | 211003011233013210 |
5 | 1122432223022402 |
6 | 30135205304100 |
7 | 2605535553012 |
oct | 450305570744 |
9 | 123610552210 |
10 | 39780282852 |
11 | 15963a29322 |
12 | 7862405030 |
13 | 399c6b380b |
14 | 1cd53358b2 |
15 | 107c58571c |
hex | 94316f1e4 |
39780282852 has 18 divisors (see below), whose sum is σ = 100555715078. Its totient is φ = 13260094272.
The previous prime is 39780282847. The next prime is 39780282877. The reversal of 39780282852 is 25828208793.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 32402160036 + 7378122816 = 180006^2 + 85896^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is an unprimeable number.
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 5 ways as a sum of consecutive naturals, for example, 552503893 + ... + 552503964.
Almost surely, 239780282852 is an apocalyptic number.
It is an amenable number.
39780282852 is an abundant number, since it is smaller than the sum of its proper divisors (60775432226).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39780282852 is a wasteful number, since it uses less digits than its factorization.
39780282852 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1105007867 (or 1105007862 counting only the distinct ones).
The product of its (nonzero) digits is 3870720, while the sum is 54.
The spelling of 39780282852 in words is "thirty-nine billion, seven hundred eighty million, two hundred eighty-two thousand, eight hundred fifty-two".
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