Base | Representation |
---|---|
bin | 111001011010… |
… | …1001010000111 |
3 | 2002122100101111 |
4 | 1302311022013 |
5 | 30201232101 |
6 | 2553105451 |
7 | 513602242 |
oct | 162651207 |
9 | 62570344 |
10 | 30102151 |
11 | 15aa0212 |
12 | a0b8287 |
13 | 630c631 |
14 | 3dd8259 |
15 | 2999251 |
hex | 1cb5287 |
30102151 has 2 divisors, whose sum is σ = 30102152. Its totient is φ = 30102150.
The previous prime is 30102139. The next prime is 30102157. The reversal of 30102151 is 15120103.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30102151 - 215 = 30069383 is a prime.
It is a super-2 number, since 2×301021512 = 1812278989653602, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30102157) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051075 + 15051076.
It is an arithmetic number, because the mean of its divisors is an integer number (15051076).
Almost surely, 230102151 is an apocalyptic number.
30102151 is a deficient number, since it is larger than the sum of its proper divisors (1).
30102151 is an equidigital number, since it uses as much as digits as its factorization.
30102151 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 30, while the sum is 13.
The square root of 30102151 is about 5486.5427183245. The cubic root of 30102151 is about 311.0755254035.
Adding to 30102151 its reverse (15120103), we get a palindrome (45222254).
The spelling of 30102151 in words is "thirty million, one hundred two thousand, one hundred fifty-one".
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