Base | Representation |
---|---|
bin | 11100001001111010… |
… | …100111011111011010 |
3 | 2220000212012122001002 |
4 | 130021322213133122 |
5 | 443403132211442 |
6 | 21515450025002 |
7 | 2120104245302 |
oct | 341172473732 |
9 | 86025178032 |
10 | 30231132122 |
11 | 11903760014 |
12 | 5a38418162 |
13 | 2b0a22c779 |
14 | 166b012602 |
15 | bbe082732 |
hex | 709ea77da |
30231132122 has 4 divisors (see below), whose sum is σ = 45346698186. Its totient is φ = 15115566060.
The previous prime is 30231132091. The next prime is 30231132137. The reversal of 30231132122 is 22123113203.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 29829089521 + 402042601 = 172711^2 + 20051^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30231132094 and 30231132103.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7557783029 + ... + 7557783032.
Almost surely, 230231132122 is an apocalyptic number.
30231132122 is a deficient number, since it is larger than the sum of its proper divisors (15115566064).
30231132122 is a wasteful number, since it uses less digits than its factorization.
30231132122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15115566063.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 30231132122 its reverse (22123113203), we get a palindrome (52354245325).
It can be divided in two parts, 302311 and 32122, that added together give a palindrome (334433).
The spelling of 30231132122 in words is "thirty billion, two hundred thirty-one million, one hundred thirty-two thousand, one hundred twenty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.087 sec. • engine limits •