Base | Representation |
---|---|
bin | 100100011100101… |
… | …1111100100111111 |
3 | 10011020100102021021 |
4 | 1020321133210333 |
5 | 10001043443403 |
6 | 321205445011 |
7 | 42210410230 |
oct | 11071374477 |
9 | 3136312237 |
10 | 1223031103 |
11 | 578407408 |
12 | 2a1710767 |
13 | 1664c9458 |
14 | b8607087 |
15 | 725898bd |
hex | 48e5f93f |
1223031103 has 8 divisors (see below), whose sum is σ = 1397975040. Its totient is φ = 1048143480.
The previous prime is 1223031097. The next prime is 1223031109. The reversal of 1223031103 is 3011303221.
It is an interprime number because it is at equal distance from previous prime (1223031097) and next prime (1223031109).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1223031103 - 217 = 1222900031 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1223031109) 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, 55218 + ... + 74128.
It is an arithmetic number, because the mean of its divisors is an integer number (174746880).
Almost surely, 21223031103 is an apocalyptic number.
1223031103 is a deficient number, since it is larger than the sum of its proper divisors (174943937).
1223031103 is an equidigital number, since it uses as much as digits as its factorization.
1223031103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28157.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 1223031103 is about 34971.8615889975. The cubic root of 1223031103 is about 1069.4139227908.
Adding to 1223031103 its reverse (3011303221), we get a palindrome (4234334324).
The spelling of 1223031103 in words is "one billion, two hundred twenty-three million, thirty-one thousand, one hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •