Base | Representation |
---|---|
bin | 111001100000… |
… | …0111000000111 |
3 | 2002201210020021 |
4 | 1303000320013 |
5 | 30204301101 |
6 | 2554120011 |
7 | 514162213 |
oct | 163007007 |
9 | 62653207 |
10 | 30150151 |
11 | 16023289 |
12 | a120007 |
13 | 6328435 |
14 | 400b943 |
15 | 29a85a1 |
hex | 1cc0e07 |
30150151 has 4 divisors (see below), whose sum is σ = 30232672. Its totient is φ = 30067632.
The previous prime is 30150103. The next prime is 30150157. The reversal of 30150151 is 15105103.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15105103 = 13 ⋅1161931.
It is a cyclic number.
It is not a de Polignac number, because 30150151 - 27 = 30150023 is a prime.
It is a Duffinian number.
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30150157) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40710 + ... + 41443.
It is an arithmetic number, because the mean of its divisors is an integer number (7558168).
Almost surely, 230150151 is an apocalyptic number.
30150151 is a deficient number, since it is larger than the sum of its proper divisors (82521).
30150151 is an equidigital number, since it uses as much as digits as its factorization.
30150151 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82520.
The product of its (nonzero) digits is 75, while the sum is 16.
The square root of 30150151 is about 5490.9153153186. The cubic root of 30150151 is about 311.2407815423.
Adding to 30150151 its reverse (15105103), we get a palindrome (45255254).
The spelling of 30150151 in words is "thirty million, one hundred fifty thousand, one hundred fifty-one".
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