Base | Representation |
---|---|
bin | 100100101010000… |
… | …1100011110110101 |
3 | 10011201112001000022 |
4 | 1021110030132311 |
5 | 10004341441043 |
6 | 322015454525 |
7 | 42324042356 |
oct | 11124143665 |
9 | 3151461008 |
10 | 1230030773 |
11 | 581358364 |
12 | 2a3b27445 |
13 | 167aaa47a |
14 | b9509d2d |
15 | 72ebd868 |
hex | 4950c7b5 |
1230030773 has 4 divisors (see below), whose sum is σ = 1230172428. Its totient is φ = 1229889120.
The previous prime is 1230030751. The next prime is 1230030793. The reversal of 1230030773 is 3770300321.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 531855844 + 698174929 = 23062^2 + 26423^2 .
It is a cyclic number.
It is not a de Polignac number, because 1230030773 - 228 = 961595317 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 (1230030743) 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, 56888 + ... + 75473.
It is an arithmetic number, because the mean of its divisors is an integer number (307543107).
Almost surely, 21230030773 is an apocalyptic number.
It is an amenable number.
1230030773 is a deficient number, since it is larger than the sum of its proper divisors (141655).
1230030773 is an equidigital number, since it uses as much as digits as its factorization.
1230030773 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 141654.
The product of its (nonzero) digits is 2646, while the sum is 26.
The square root of 1230030773 is about 35071.7945506072. The cubic root of 1230030773 is about 1071.4502049719.
The spelling of 1230030773 in words is "one billion, two hundred thirty million, thirty thousand, seven hundred seventy-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •