Base | Representation |
---|---|
bin | 11100001001111010… |
… | …100111000001101110 |
3 | 2220000212012112102201 |
4 | 130021322213001232 |
5 | 443403132131342 |
6 | 21515450012114 |
7 | 2120104236616 |
oct | 341172470156 |
9 | 86025175381 |
10 | 30231130222 |
11 | 11903759647 |
12 | 5a3841703a |
13 | 2b0a22b947 |
14 | 166b011a46 |
15 | bbe081db7 |
hex | 709ea706e |
30231130222 has 4 divisors (see below), whose sum is σ = 45346695336. Its totient is φ = 15115565110.
The previous prime is 30231130217. The next prime is 30231130283. The reversal of 30231130222 is 22203113203.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22203113203 = 23447 ⋅946949.
It is a self number, because there is not a number n which added to its sum of digits gives 30231130222.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7557782554 + ... + 7557782557.
It is an arithmetic number, because the mean of its divisors is an integer number (11336673834).
Almost surely, 230231130222 is an apocalyptic number.
30231130222 is a deficient number, since it is larger than the sum of its proper divisors (15115565114).
30231130222 is a wasteful number, since it uses less digits than its factorization.
30231130222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15115565113.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 30231130222 its reverse (22203113203), we get a palindrome (52434243425).
The spelling of 30231130222 in words is "thirty billion, two hundred thirty-one million, one hundred thirty thousand, two hundred twenty-two".
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