Base | Representation |
---|---|
bin | 101100000011010111000000… |
… | …0010100001001011001010000 |
3 | 1212210222122220220111120212010 |
4 | 1120012232000110021121100 |
5 | 401242113111123232312 |
6 | 3452042205431302520 |
7 | 144422133436005150 |
oct | 13006560024113120 |
9 | 1783878826446763 |
10 | 387489807242832 |
11 | 102514560394048 |
12 | 3756215451aa40 |
13 | 1382a194103558 |
14 | 6b9886cc68760 |
15 | 2ebe77484393c |
hex | 1606b80509650 |
387489807242832 has 160 divisors (see below), whose sum is σ = 1165621029765120. Its totient is φ = 108620777341440.
The previous prime is 387489807242803. The next prime is 387489807242849. The reversal of 387489807242832 is 238242708984783.
It is a congruent number.
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 31 ways as a sum of consecutive naturals, for example, 1513391719 + ... + 1513647737.
It is an arithmetic number, because the mean of its divisors is an integer number (7285131436032).
Almost surely, 2387489807242832 is an apocalyptic number.
It is an amenable number.
387489807242832 is an abundant number, since it is smaller than the sum of its proper divisors (778131222522288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
387489807242832 is a wasteful number, since it uses less digits than its factorization.
387489807242832 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 341081 (or 341075 counting only the distinct ones).
The product of its (nonzero) digits is 2080899072, while the sum is 75.
The spelling of 387489807242832 in words is "three hundred eighty-seven trillion, four hundred eighty-nine billion, eight hundred seven million, two hundred forty-two thousand, eight hundred thirty-two".
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