Base | Representation |
---|---|
bin | 111001011010… |
… | …1011000111111 |
3 | 2002122101200202 |
4 | 1302311120333 |
5 | 30201244403 |
6 | 2553114115 |
7 | 513605102 |
oct | 162653077 |
9 | 62571622 |
10 | 30103103 |
11 | 15aa09a8 |
12 | a0b893b |
13 | 630cbb4 |
14 | 3dd8739 |
15 | 2999688 |
hex | 1cb563f |
30103103 has 2 divisors, whose sum is σ = 30103104. Its totient is φ = 30103102.
The previous prime is 30103081. The next prime is 30103109. The reversal of 30103103 is 30130103.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30103103 - 28 = 30102847 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30103109) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051551 + 15051552.
It is an arithmetic number, because the mean of its divisors is an integer number (15051552).
Almost surely, 230103103 is an apocalyptic number.
30103103 is a deficient number, since it is larger than the sum of its proper divisors (1).
30103103 is an equidigital number, since it uses as much as digits as its factorization.
30103103 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 27, while the sum is 11.
The square root of 30103103 is about 5486.6294753701. The cubic root of 30103103 is about 311.0788046905.
Adding to 30103103 its reverse (30130103), we get a palindrome (60233206).
Subtracting 30103103 from its reverse (30130103), we obtain a cube (27000 = 303).
The spelling of 30103103 in words is "thirty million, one hundred three thousand, one hundred three".
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