Base | Representation |
---|---|
bin | 111011101011011… |
… | …001011101011111 |
3 | 2120202222212101221 |
4 | 323223121131133 |
5 | 4022303412343 |
6 | 243203514211 |
7 | 33545222245 |
oct | 7353313537 |
9 | 2522885357 |
10 | 1001232223 |
11 | 474195652 |
12 | 23b388967 |
13 | 12c57c004 |
14 | 96d8c795 |
15 | 5cd765ed |
hex | 3bad975f |
1001232223 has 8 divisors (see below), whose sum is σ = 1021715856. Its totient is φ = 980880000.
The previous prime is 1001232217. The next prime is 1001232233. The reversal of 1001232223 is 3222321001.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1001232223 - 25 = 1001232191 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1001232197 and 1001232206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1001232233) 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, 17386 + ... + 48007.
It is an arithmetic number, because the mean of its divisors is an integer number (127714482).
Almost surely, 21001232223 is an apocalyptic number.
1001232223 is a deficient number, since it is larger than the sum of its proper divisors (20483633).
1001232223 is an equidigital number, since it uses as much as digits as its factorization.
1001232223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65705.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 1001232223 is about 31642.2537598067. The cubic root of 1001232223 is about 1000.4105724072.
Adding to 1001232223 its reverse (3222321001), we get a palindrome (4223553224).
The spelling of 1001232223 in words is "one billion, one million, two hundred thirty-two thousand, two hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.062 sec. • engine limits •