Base | Representation |
---|---|
bin | 1001011100101110… |
… | …0100000010011100 |
3 | 20112202200000002110 |
4 | 2113023210002130 |
5 | 20143304001222 |
6 | 1055403354020 |
7 | 116565652254 |
oct | 22713440234 |
9 | 6482600073 |
10 | 2536390812 |
11 | 10917a9a5a |
12 | 5a9522910 |
13 | 315631287 |
14 | 1a0c04964 |
15 | eca1830c |
hex | 972e409c |
2536390812 has 12 divisors (see below), whose sum is σ = 5918245256. Its totient is φ = 845463600.
The previous prime is 2536390789. The next prime is 2536390817. The reversal of 2536390812 is 2180936352.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2536390817) 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, 105682939 + ... + 105682962.
Almost surely, 22536390812 is an apocalyptic number.
It is an amenable number.
2536390812 is an abundant number, since it is smaller than the sum of its proper divisors (3381854444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2536390812 is a wasteful number, since it uses less digits than its factorization.
2536390812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 211365908 (or 211365906 counting only the distinct ones).
The product of its (nonzero) digits is 77760, while the sum is 39.
The square root of 2536390812 is about 50362.5933804049. The cubic root of 2536390812 is about 1363.7624355860.
The spelling of 2536390812 in words is "two billion, five hundred thirty-six million, three hundred ninety thousand, eight hundred twelve".
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