Base | Representation |
---|---|
bin | 1100011111000111110… |
… | …0001111111100100011 |
3 | 202111200202010002121111 |
4 | 3013301330033330203 |
5 | 12003310200004030 |
6 | 242313511204151 |
7 | 21332551112065 |
oct | 3076174177443 |
9 | 674622102544 |
10 | 214512500515 |
11 | 82a79794685 |
12 | 356a7976657 |
13 | 172c7b6bba1 |
14 | a54d685735 |
15 | 58a758e62a |
hex | 31f1f0ff23 |
214512500515 has 4 divisors (see below), whose sum is σ = 257415000624. Its totient is φ = 171610000408.
The previous prime is 214512500491. The next prime is 214512500539. The reversal of 214512500515 is 515005215412.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (214512500491) and next prime (214512500539).
It is a cyclic number.
It is not a de Polignac number, because 214512500515 - 211 = 214512498467 is a prime.
It is a super-2 number, since 2×2145125005152 (a number of 23 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21451250047 + ... + 21451250056.
It is an arithmetic number, because the mean of its divisors is an integer number (64353750156).
Almost surely, 2214512500515 is an apocalyptic number.
214512500515 is a deficient number, since it is larger than the sum of its proper divisors (42902500109).
214512500515 is an equidigital number, since it uses as much as digits as its factorization.
214512500515 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42902500108.
The product of its (nonzero) digits is 10000, while the sum is 31.
Adding to 214512500515 its reverse (515005215412), we get a palindrome (729517715927).
The spelling of 214512500515 in words is "two hundred fourteen billion, five hundred twelve million, five hundred thousand, five hundred fifteen".
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