Base | Representation |
---|---|
bin | 11100001001111010… |
… | …111011010011110101 |
3 | 2220000212100202101201 |
4 | 130021322323103311 |
5 | 443403142311201 |
6 | 21515451452501 |
7 | 2120105034052 |
oct | 341172732365 |
9 | 86025322351 |
10 | 30231213301 |
11 | 11903806003 |
12 | 5a38457131 |
13 | 2b0a25a6c3 |
14 | 166b034029 |
15 | bbe09b801 |
hex | 709ebb4f5 |
30231213301 has 4 divisors (see below), whose sum is σ = 30434107500. Its totient is φ = 30028319104.
The previous prime is 30231213289. The next prime is 30231213307. The reversal of 30231213301 is 10331213203.
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 12282180625 + 17949032676 = 110825^2 + 133974^2 .
It is a cyclic number.
It is not a de Polignac number, because 30231213301 - 25 = 30231213269 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 (30231213307) 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, 101446876 + ... + 101447173.
It is an arithmetic number, because the mean of its divisors is an integer number (7608526875).
Almost surely, 230231213301 is an apocalyptic number.
It is an amenable number.
30231213301 is a deficient number, since it is larger than the sum of its proper divisors (202894199).
30231213301 is a wasteful number, since it uses less digits than its factorization.
30231213301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 202894198.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 30231213301 its reverse (10331213203), we get a palindrome (40562426504).
The spelling of 30231213301 in words is "thirty billion, two hundred thirty-one million, two hundred thirteen thousand, three hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •