Base | Representation |
---|---|
bin | 11100000010010010… |
… | …101001001111101001 |
3 | 2212200221111200001001 |
4 | 130002102221033221 |
5 | 443122410304113 |
6 | 21455040155001 |
7 | 2113662042325 |
oct | 340222511751 |
9 | 85627450031 |
10 | 30103213033 |
11 | 1184852a563 |
12 | 5a01608a61 |
13 | 2ab98921ba |
14 | 1658034985 |
15 | bb2c157dd |
hex | 7024a93e9 |
30103213033 has 2 divisors, whose sum is σ = 30103213034. Its totient is φ = 30103213032.
The previous prime is 30103213031. The next prime is 30103213037. The reversal of 30103213033 is 33031230103.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 26892064144 + 3211148889 = 163988^2 + 56667^2 .
It is a cyclic number.
It is not a de Polignac number, because 30103213033 - 21 = 30103213031 is a prime.
Together with 30103213031, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 30103213033.
It is not a weakly prime, because it can be changed into another prime (30103213031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051606516 + 15051606517.
It is an arithmetic number, because the mean of its divisors is an integer number (15051606517).
Almost surely, 230103213033 is an apocalyptic number.
It is an amenable number.
30103213033 is a deficient number, since it is larger than the sum of its proper divisors (1).
30103213033 is an equidigital number, since it uses as much as digits as its factorization.
30103213033 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 486, while the sum is 19.
Adding to 30103213033 its reverse (33031230103), we get a palindrome (63134443136).
The spelling of 30103213033 in words is "thirty billion, one hundred three million, two hundred thirteen thousand, thirty-three".
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