Base | Representation |
---|---|
bin | 1000010010001000100… |
… | …10001001110000010001 |
3 | 1000012122012102100012101 |
4 | 10021010102021300101 |
5 | 14130342020411034 |
6 | 334425530000401 |
7 | 26363662262254 |
oct | 4110422116021 |
9 | 1005565370171 |
10 | 284613450769 |
11 | aa78196710a |
12 | 471b0576101 |
13 | 20aba1a06cb |
14 | dabd85909b |
15 | 760b991514 |
hex | 4244489c11 |
284613450769 has 4 divisors (see below), whose sum is σ = 284702926900. Its totient is φ = 284523974640.
The previous prime is 284613450761. The next prime is 284613450791. The reversal of 284613450769 is 967054316482.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 967054316482 = 2 ⋅483527158241.
It can be written as a sum of positive squares in 2 ways, for example, as 40096057600 + 244517393169 = 200240^2 + 494487^2 .
It is a cyclic number.
It is not a de Polignac number, because 284613450769 - 23 = 284613450761 is a prime.
It is a super-2 number, since 2×2846134507692 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (284613450761) 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, 44733294 + ... + 44739655.
It is an arithmetic number, because the mean of its divisors is an integer number (71175731725).
It is a 1-persistent number, because it is pandigital, but 2⋅284613450769 = 569226901538 is not.
Almost surely, 2284613450769 is an apocalyptic number.
It is an amenable number.
284613450769 is a deficient number, since it is larger than the sum of its proper divisors (89476131).
284613450769 is an equidigital number, since it uses as much as digits as its factorization.
284613450769 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89476130.
The product of its (nonzero) digits is 8709120, while the sum is 55.
The spelling of 284613450769 in words is "two hundred eighty-four billion, six hundred thirteen million, four hundred fifty thousand, seven hundred sixty-nine".
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