Base | Representation |
---|---|
bin | 111001011010… |
… | …1100101100011 |
3 | 2002122102210112 |
4 | 1302311211203 |
5 | 30201311112 |
6 | 2553121535 |
7 | 513610331 |
oct | 162654543 |
9 | 62572715 |
10 | 30103907 |
11 | 15aa1569 |
12 | a0b92ab |
13 | 6310382 |
14 | 3dd8b51 |
15 | 2999a22 |
hex | 1cb5963 |
30103907 has 2 divisors, whose sum is σ = 30103908. Its totient is φ = 30103906.
The previous prime is 30103891. The next prime is 30103933. The reversal of 30103907 is 70930103.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30103907 - 24 = 30103891 is a prime.
It is not a weakly prime, because it can be changed into another prime (30103937) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051953 + 15051954.
It is an arithmetic number, because the mean of its divisors is an integer number (15051954).
Almost surely, 230103907 is an apocalyptic number.
30103907 is a deficient number, since it is larger than the sum of its proper divisors (1).
30103907 is an equidigital number, since it uses as much as digits as its factorization.
30103907 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 567, while the sum is 23.
The square root of 30103907 is about 5486.7027439073. The cubic root of 30103907 is about 311.0815741186.
The spelling of 30103907 in words is "thirty million, one hundred three thousand, nine hundred seven".
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