Base | Representation |
---|---|
bin | 1100011111001110010… |
… | …0010111100001101100 |
3 | 202111202122110202222022 |
4 | 3013303210113201230 |
5 | 12003334141411130 |
6 | 242320324205312 |
7 | 21333332110361 |
oct | 3076344274154 |
9 | 674678422868 |
10 | 214539794540 |
11 | 82a93137025 |
12 | 356b4b39838 |
13 | 173007072b6 |
14 | a55314c468 |
15 | 58a9b817e5 |
hex | 31f391786c |
214539794540 has 24 divisors (see below), whose sum is σ = 450757687632. Its totient is φ = 85773228480.
The previous prime is 214539794531. The next prime is 214539794543. The reversal of 214539794540 is 45497935412.
It is not an unprimeable number, because it can be changed into a prime (214539794543) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2626859 + ... + 2707298.
It is an arithmetic number, because the mean of its divisors is an integer number (18781570318).
Almost surely, 2214539794540 is an apocalyptic number.
214539794540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
214539794540 is an abundant number, since it is smaller than the sum of its proper divisors (236217893092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214539794540 is a wasteful number, since it uses less digits than its factorization.
214539794540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5336177 (or 5336175 counting only the distinct ones).
The product of its (nonzero) digits is 5443200, while the sum is 53.
The spelling of 214539794540 in words is "two hundred fourteen billion, five hundred thirty-nine million, seven hundred ninety-four thousand, five hundred forty".
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