Base | Representation |
---|---|
bin | 111001100100… |
… | …0001010100001 |
3 | 2002210022011211 |
4 | 1303020022201 |
5 | 30211230001 |
6 | 2554510121 |
7 | 514345225 |
oct | 163101241 |
9 | 62708154 |
10 | 30180001 |
11 | 16043755 |
12 | a135341 |
13 | 6338bb7 |
14 | 4018785 |
15 | 29b2351 |
hex | 1cc82a1 |
30180001 has 2 divisors, whose sum is σ = 30180002. Its totient is φ = 30180000.
The previous prime is 30179987. The next prime is 30180047. The reversal of 30180001 is 10008103.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 17648401 + 12531600 = 4201^2 + 3540^2 .
It is a cyclic number.
It is not a de Polignac number, because 30180001 - 27 = 30179873 is a prime.
It is not a weakly prime, because it can be changed into another prime (30180061) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15090000 + 15090001.
It is an arithmetic number, because the mean of its divisors is an integer number (15090001).
Almost surely, 230180001 is an apocalyptic number.
It is an amenable number.
30180001 is a deficient number, since it is larger than the sum of its proper divisors (1).
30180001 is an equidigital number, since it uses as much as digits as its factorization.
30180001 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 30180001 is about 5493.6327689426. The cubic root of 30180001 is about 311.3434617688.
Adding to 30180001 its reverse (10008103), we get a palindrome (40188104).
The spelling of 30180001 in words is "thirty million, one hundred eighty thousand, one".
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