Base | Representation |
---|---|
bin | 110000100110010101… |
… | …111111010010000101 |
3 | 11222200201100021200211 |
4 | 300212111333102011 |
5 | 1323332310442424 |
6 | 35550020435421 |
7 | 3525066245104 |
oct | 604625772205 |
9 | 158621307624 |
10 | 52182905989 |
11 | 20148987695 |
12 | a143b48b71 |
13 | 4bc8097886 |
14 | 27505dc03b |
15 | 1556336b94 |
hex | c2657f485 |
52182905989 has 4 divisors (see below), whose sum is σ = 52183758700. Its totient is φ = 52182053280.
The previous prime is 52182905963. The next prime is 52182905993. The reversal of 52182905989 is 98950928125.
52182905989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 2976575364 + 49206330625 = 54558^2 + 221825^2 .
It is a cyclic number.
It is not a de Polignac number, because 52182905989 - 27 = 52182905861 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52182905189) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326814 + ... + 459535.
It is an arithmetic number, because the mean of its divisors is an integer number (13045939675).
Almost surely, 252182905989 is an apocalyptic number.
It is an amenable number.
52182905989 is a deficient number, since it is larger than the sum of its proper divisors (852711).
52182905989 is an equidigital number, since it uses as much as digits as its factorization.
52182905989 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 852710.
The product of its (nonzero) digits is 4665600, while the sum is 58.
The spelling of 52182905989 in words is "fifty-two billion, one hundred eighty-two million, nine hundred five thousand, nine hundred eighty-nine".
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