Base | Representation |
---|---|
bin | 11100001011111101… |
… | …010110001011110111 |
3 | 2220010020200201121122 |
4 | 130023331112023313 |
5 | 443440420331403 |
6 | 21523112334155 |
7 | 2121001446626 |
oct | 341375261367 |
9 | 86106621548 |
10 | 30265402103 |
11 | 11921037612 |
12 | 5a479a435b |
13 | 2b1436b171 |
14 | 16717b36bd |
15 | bc20a1838 |
hex | 70bf562f7 |
30265402103 has 4 divisors (see below), whose sum is σ = 30778375080. Its totient is φ = 29752429128.
The previous prime is 30265402067. The next prime is 30265402109. The reversal of 30265402103 is 30120456203.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30120456203 = 463 ⋅65054981.
It is a cyclic number.
It is not a de Polignac number, because 30265402103 - 216 = 30265336567 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 (30265402109) 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, 256486400 + ... + 256486517.
It is an arithmetic number, because the mean of its divisors is an integer number (7694593770).
Almost surely, 230265402103 is an apocalyptic number.
30265402103 is a deficient number, since it is larger than the sum of its proper divisors (512972977).
30265402103 is an equidigital number, since it uses as much as digits as its factorization.
30265402103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 512972976.
The product of its (nonzero) digits is 4320, while the sum is 26.
Adding to 30265402103 its reverse (30120456203), we get a palindrome (60385858306).
The spelling of 30265402103 in words is "thirty billion, two hundred sixty-five million, four hundred two thousand, one hundred three".
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