Base | Representation |
---|---|
bin | 11100010101001100… |
… | …101111010011110001 |
3 | 2220112001102001210212 |
4 | 130111030233103301 |
5 | 444300112311423 |
6 | 21550331233505 |
7 | 2124563256311 |
oct | 342514572361 |
9 | 86461361725 |
10 | 30420432113 |
11 | 119a05a4995 |
12 | 5a8b8a8895 |
13 | 2b3a50b6b6 |
14 | 168820b441 |
15 | bd09c6578 |
hex | 71532f4f1 |
30420432113 has 4 divisors (see below), whose sum is σ = 30470058228. Its totient is φ = 30370806000.
The previous prime is 30420432083. The next prime is 30420432131. The reversal of 30420432113 is 31123402403.
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 1716279184 + 28704152929 = 41428^2 + 169423^2 .
It is a cyclic number.
It is not a de Polignac number, because 30420432113 - 216 = 30420366577 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30420432143) 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 3 ways as a sum of consecutive naturals, for example, 24812138 + ... + 24813363.
It is an arithmetic number, because the mean of its divisors is an integer number (7617514557).
Almost surely, 230420432113 is an apocalyptic number.
It is an amenable number.
30420432113 is a deficient number, since it is larger than the sum of its proper divisors (49626115).
30420432113 is an equidigital number, since it uses as much as digits as its factorization.
30420432113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49626114.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 30420432113 its reverse (31123402403), we get a palindrome (61543834516).
The spelling of 30420432113 in words is "thirty billion, four hundred twenty million, four hundred thirty-two thousand, one hundred thirteen".
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