Base | Representation |
---|---|
bin | 1111101011111010… |
… | …01010101010110101 |
3 | 210201220101110001101 |
4 | 13311331022222311 |
5 | 114221340412301 |
6 | 3511352130101 |
7 | 415455613012 |
oct | 76575125265 |
9 | 23656343041 |
10 | 8421419701 |
11 | 36317432a2 |
12 | 1770396931 |
13 | a429440a6 |
14 | 59c646709 |
15 | 3444e0701 |
hex | 1f5f4aab5 |
8421419701 has 4 divisors (see below), whose sum is σ = 8421773472. Its totient is φ = 8421065932.
The previous prime is 8421419681. The next prime is 8421419737. The reversal of 8421419701 is 1079141248.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 8421419701 - 29 = 8421419189 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 (8421419791) 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, 138385 + ... + 189718.
It is an arithmetic number, because the mean of its divisors is an integer number (2105443368).
Almost surely, 28421419701 is an apocalyptic number.
It is an amenable number.
8421419701 is a deficient number, since it is larger than the sum of its proper divisors (353771).
8421419701 is a wasteful number, since it uses less digits than its factorization.
8421419701 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 353770.
The product of its (nonzero) digits is 16128, while the sum is 37.
The square root of 8421419701 is about 91768.2935495697. The cubic root of 8421419701 is about 2034.5190967423.
The spelling of 8421419701 in words is "eight billion, four hundred twenty-one million, four hundred nineteen thousand, seven hundred one".
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