Base | Representation |
---|---|
bin | 1100011111000111110… |
… | …0001111111100101101 |
3 | 202111200202010002121212 |
4 | 3013301330033330231 |
5 | 12003310200004100 |
6 | 242313511204205 |
7 | 21332551112111 |
oct | 3076174177455 |
9 | 674622102555 |
10 | 214512500525 |
11 | 82a79794694 |
12 | 356a7976665 |
13 | 172c7b6bbab |
14 | a54d685741 |
15 | 58a758e635 |
hex | 31f1f0ff2d |
214512500525 has 6 divisors (see below), whose sum is σ = 265995500682. Its totient is φ = 171610000400.
The previous prime is 214512500491. The next prime is 214512500539. The reversal of 214512500525 is 525005215412.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 45333289 + 214467167236 = 6733^2 + 463106^2 .
It is not a de Polignac number, because 214512500525 - 28 = 214512500269 is a prime.
It is a super-2 number, since 2×2145125005252 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 214512500491 and 214512500500.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4290249986 + ... + 4290250035.
It is an arithmetic number, because the mean of its divisors is an integer number (44332583447).
Almost surely, 2214512500525 is an apocalyptic number.
214512500525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
214512500525 is a deficient number, since it is larger than the sum of its proper divisors (51483000157).
214512500525 is an equidigital number, since it uses as much as digits as its factorization.
214512500525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8580500031 (or 8580500026 counting only the distinct ones).
The product of its (nonzero) digits is 20000, while the sum is 32.
Adding to 214512500525 its reverse (525005215412), we get a palindrome (739517715937).
The spelling of 214512500525 in words is "two hundred fourteen billion, five hundred twelve million, five hundred thousand, five hundred twenty-five".
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