Base | Representation |
---|---|
bin | 1011100101110111… |
… | …11001110000010101 |
3 | 121001201012000121220 |
4 | 11302323321300111 |
5 | 100221124213411 |
6 | 2505310200553 |
7 | 310134643002 |
oct | 56273716025 |
9 | 17051160556 |
10 | 6223272981 |
11 | 270396a112 |
12 | 12581b3159 |
13 | 782411163 |
14 | 43072c8a9 |
15 | 26653cb06 |
hex | 172ef9c15 |
6223272981 has 8 divisors (see below), whose sum is σ = 8298087744. Its totient is φ = 4148653440.
The previous prime is 6223272973. The next prime is 6223273013. The reversal of 6223272981 is 1892723226.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 6223272981 - 23 = 6223272973 is a prime.
It is a super-2 number, since 2×62232729812 = 77458253192089252722, which contains 22 as substring.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6223282981) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60645 + ... + 126981.
It is an arithmetic number, because the mean of its divisors is an integer number (1037260968).
Almost surely, 26223272981 is an apocalyptic number.
It is an amenable number.
6223272981 is a deficient number, since it is larger than the sum of its proper divisors (2074814763).
6223272981 is a wasteful number, since it uses less digits than its factorization.
6223272981 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97611.
The product of its digits is 145152, while the sum is 42.
The square root of 6223272981 is about 78887.7238928846. The cubic root of 6223272981 is about 1839.3863128479.
The spelling of 6223272981 in words is "six billion, two hundred twenty-three million, two hundred seventy-two thousand, nine hundred eighty-one".
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