Base | Representation |
---|---|
bin | 111011110011010000… |
… | …111000001110001111 |
3 | 20010201222000010220011 |
4 | 323303100320032033 |
5 | 2023000433031343 |
6 | 45255324534051 |
7 | 4432130023441 |
oct | 736320701617 |
9 | 203658003804 |
10 | 64210830223 |
11 | 25260381141 |
12 | 105400b1327 |
13 | 6093c585c7 |
14 | 3171c08491 |
15 | 1a0c27129d |
hex | ef343838f |
64210830223 has 4 divisors (see below), whose sum is σ = 64291396680. Its totient is φ = 64130263768.
The previous prime is 64210830217. The next prime is 64210830259. The reversal of 64210830223 is 32203801246.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32203801246 = 2 ⋅16101900623.
It is a cyclic number.
It is not a de Polignac number, because 64210830223 - 229 = 63673959311 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64210830023) 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, 40282033 + ... + 40283626.
It is an arithmetic number, because the mean of its divisors is an integer number (16072849170).
Almost surely, 264210830223 is an apocalyptic number.
64210830223 is a deficient number, since it is larger than the sum of its proper divisors (80566457).
64210830223 is an equidigital number, since it uses as much as digits as its factorization.
64210830223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80566456.
The product of its (nonzero) digits is 13824, while the sum is 31.
The spelling of 64210830223 in words is "sixty-four billion, two hundred ten million, eight hundred thirty thousand, two hundred twenty-three".
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