Base | Representation |
---|---|
bin | 101000100000100110… |
… | …0110100001100101101 |
3 | 22022112201002200112112 |
4 | 1101001030310030231 |
5 | 2411130231140433 |
6 | 103544130413405 |
7 | 6166526131130 |
oct | 1210114641455 |
9 | 268481080475 |
10 | 86993224493 |
11 | 3399145315a |
12 | 14a39a31265 |
13 | 8284c07a86 |
14 | 42d3850217 |
15 | 23e23ea348 |
hex | 144133432d |
86993224493 has 32 divisors (see below), whose sum is σ = 102187008000. Its totient is φ = 72525378240.
The previous prime is 86993224489. The next prime is 86993224501. The reversal of 86993224493 is 39442239968.
It is not a de Polignac number, because 86993224493 - 22 = 86993224489 is a prime.
It is a super-2 number, since 2×869932244932 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86993221493) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12943988 + ... + 12950706.
It is an arithmetic number, because the mean of its divisors is an integer number (3193344000).
Almost surely, 286993224493 is an apocalyptic number.
It is an amenable number.
86993224493 is a deficient number, since it is larger than the sum of its proper divisors (15193783507).
86993224493 is a wasteful number, since it uses less digits than its factorization.
86993224493 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7145.
The product of its digits is 20155392, while the sum is 59.
The spelling of 86993224493 in words is "eighty-six billion, nine hundred ninety-three million, two hundred twenty-four thousand, four hundred ninety-three".
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