Base | Representation |
---|---|
bin | 1100011011000011011… |
… | …0100001000000110001 |
3 | 202101212122021122001011 |
4 | 3012300312201000301 |
5 | 11444041120303023 |
6 | 242013301310521 |
7 | 21263521064344 |
oct | 3066066410061 |
9 | 671778248034 |
10 | 213420478513 |
11 | 82569329360 |
12 | 35442105441 |
13 | 17182852618 |
14 | a48862245b |
15 | 584178250d |
hex | 31b0da1031 |
213420478513 has 8 divisors (see below), whose sum is σ = 234882716256. Its totient is φ = 192301636800.
The previous prime is 213420478471. The next prime is 213420478519. The reversal of 213420478513 is 315874024312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-213420478513 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (213420478519) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85847703 + ... + 85850188.
It is an arithmetic number, because the mean of its divisors is an integer number (29360339532).
Almost surely, 2213420478513 is an apocalyptic number.
It is an amenable number.
213420478513 is a deficient number, since it is larger than the sum of its proper divisors (21462237743).
213420478513 is a wasteful number, since it uses less digits than its factorization.
213420478513 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 171698015.
The product of its (nonzero) digits is 161280, while the sum is 40.
The spelling of 213420478513 in words is "two hundred thirteen billion, four hundred twenty million, four hundred seventy-eight thousand, five hundred thirteen".
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