Base | Representation |
---|---|
bin | 11001010101010… |
… | …11001101110000 |
3 | 112210212210220212 |
4 | 30222223031300 |
5 | 413400414043 |
6 | 33030523252 |
7 | 5160223214 |
oct | 1452531560 |
9 | 483783825 |
10 | 212513648 |
11 | a9a5a716 |
12 | 5b206528 |
13 | 35049029 |
14 | 2031c944 |
15 | 139cc018 |
hex | caab370 |
212513648 has 20 divisors (see below), whose sum is σ = 413598528. Its totient is φ = 105778560.
The previous prime is 212513647. The next prime is 212513657. The reversal of 212513648 is 846315212.
212513648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212513641) 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, 26213 + ... + 33348.
Almost surely, 2212513648 is an apocalyptic number.
It is an amenable number.
212513648 is a deficient number, since it is larger than the sum of its proper divisors (201084880).
212513648 is a wasteful number, since it uses less digits than its factorization.
212513648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59792 (or 59786 counting only the distinct ones).
The product of its digits is 11520, while the sum is 32.
The square root of 212513648 is about 14577.8478521351. The cubic root of 212513648 is about 596.7543711087.
The spelling of 212513648 in words is "two hundred twelve million, five hundred thirteen thousand, six hundred forty-eight".
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