Base | Representation |
---|---|
bin | 1000010101101000101… |
… | …01100001000000100011 |
3 | 1000101111012211200011202 |
4 | 10022310111201000203 |
5 | 14143214301140033 |
6 | 335340243231415 |
7 | 26461400361341 |
oct | 4126425410043 |
9 | 1011435750152 |
10 | 286493380643 |
11 | 100557054268 |
12 | 4763607856b |
13 | 210297c7c52 |
14 | dc1b3ba991 |
15 | 76bba378e8 |
hex | 42b4561023 |
286493380643 has 4 divisors (see below), whose sum is σ = 298949614608. Its totient is φ = 274037146680.
The previous prime is 286493380619. The next prime is 286493380687. The reversal of 286493380643 is 346083394682.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 286493380643 - 228 = 286224945187 is a prime.
It is a super-3 number, since 3×2864933806433 (a number of 35 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (286493389643) 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, 6228116948 + ... + 6228116993.
It is an arithmetic number, because the mean of its divisors is an integer number (74737403652).
Almost surely, 2286493380643 is an apocalyptic number.
286493380643 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
286493380643 is a deficient number, since it is larger than the sum of its proper divisors (12456233965).
286493380643 is a wasteful number, since it uses less digits than its factorization.
286493380643 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12456233964.
The product of its (nonzero) digits is 17915904, while the sum is 56.
The spelling of 286493380643 in words is "two hundred eighty-six billion, four hundred ninety-three million, three hundred eighty thousand, six hundred forty-three".
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